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Chapter 2 Epidemiology of Faecal Incontinence
Table 2.3. Prevalence variations in time,place and person for different thresholds of faecal incon­tinence
17
Author Year Place Threshold Age Prevalence % F :M ratio
Roberts et al. 1999 USA Minor 50+ 13.1 15.2 11.1 1.37 Kalantar et al. 2002 Sydney, Minor 18+ 11.2 11.6 10.8 1.07
Australia Crome et al. 2001 UK Minor 70+ 10.0 11.3 7.9 1.43 Clarke et al. 1984 UK Minor to 75+ 9.4 No
moderate difference
Lam et al. 1999 Sydney, Minor to 20+ 7.8 4.5 12.4 0.36
Australia moderate Nakanishi et al. 1997 Japan Minor 65+ 7.5 6.6 8.7 0.75 Kok et al. 1992 Netherlands Minor 60+ 7.2 F 7.2 Not
Perry et al. 2002 UK Minor 40+ 6.2 5.7 6.2 0.92 Walter et al. 2002 Sweden Moderate 31–76 10.0 10.9 9.7 1.12 Wetle et al. 1995 USA Moderate 65+ 8.1 7.8 8.5 0.91 Perry et al. 2002 UK Moderate 40+ 3.3 3.1 3.6 0.86 Campbell et al. 1985 New Moderate 65+ 3.1 <1
Zealand Edwards and Jones 2001 UK Moderate 65+ 3.0 4 1 4 Chen et al. 2003 Taiwan Moderate 20+ 2.8 F 2.8 Not
Crome et al. 2001 UK Major 70+ 3.8 3.7 4.0 0.93 Talley et al. 1992 USA Major 65+ 3.7 3.1 4.5 0.69 Nakanishi et al. 1997 Japan Major 65+ 2.0 2.2 1.8 1.22 Perry et al. 2002 UK Major 40+ 1.9 1.7 2.2 0.77 Lam et al. 1999 Sydney, Major 20+ 1.8 1.1 2.7 0.41
Australia Thomas et al. 1984 UK Major to 15+ 1.4 1.39 1.46 0.95
moderate
Walter et al. 2002 Sweden Major 31–76 0.7 1.4 0.4 3.5
group
All Female Male
available
available
et al. 1995),suggesting prevalence may vary between different facilities because of dif­ferences in selection criteria.
Social Group. Few population-based studies have considered socio-economic fac­tors.Crome et al. (2001) showed a slightly higher prevalence for occasional (minor) in­continence in public rented (8.5%) compared to own homes (6.5%) but the levels were similar for frequent (major) incontinence. Secondary analysis of the MRC Inconti­nence Study (UK) suggests that the prevalence of monthly (moderate) leakage increas­es with worsening socio-economic status (Table 2.4). There were no statistically signif­icant differences between white and South Asian groups either before or after adjust­ing for other social factors.
2
18
Catherine W. McGrother
Fig. 2.1. Prevalence of faecal incontinence in women – population studies
Fig. 2.2. Prevalence of faecal incontinence in men – population studies
Fig. 2.3. Prevalence of faecal incontinence by frequency of leakage
Chapter 2 Epidemiology of Faecal Incontinence
Fig. 2.4. Female:male prevalence ratios by age group – population studies
Table 2.4. Social groups associated with faecal incontinence in Leicestershire,UK
Social group Univariate Multivariate
Socio-economic group Homeowner 1.0 1.0
Private rental 1.55* 1.51** Public rental 1.75** 1.44**
19
Ethnic group White 1
South Asian 0.75
Gender Female 1.0 1.0
Male 1.23** 1.32**
Age 40–49 1.0 1.0
50–59 1.31* 1.28* 60–69 2.04** 1.98** 70–79 2.64** 2.49** 80* 3.99** 3.61**
* p<0.01, ** p<0.001.
Disability. Information concerning people with learning disability (LD) is available from the Leicestershire population-based Learning Disability Register (McGrother et al. 1996).Comparison of the prevalence of faecal incontinence with the general popu­lation in Leicestershire (Perry et al. 2002) shows a greater than sevenfold higher rate for those aged over 40 years (Table 2.5). A threefold increase is present for the mobile sub-group with relatively normal physical functioning, compatible with independent living. Prevalence among non-mobile people with LD is similar to that in elderly peo­ple in long-term care facilities in Leicestershire (Arthur et al.2002).
2
20
Catherine W. McGrother
Table 2.5. Prevalence of faecal incontinenceain people with learning disability and the general population in Leicestershire UK
Age Learning Disability General population
b
Mobile
Non-mobile All Community Long-term care
40–49 3.8 30.3 9.1 0.7 – 50–59 4.4 21.8 8.9 1.1 – 60–69 7.4 24.5 12.0 1.5 37.2 70+ 18.5 7.7 2.4 28.7 All 4.4 25.4 9.4 1.4 29.1
a
Weekly leakage.
b
Walks unaided.
c
65–69 years age group.
2.3 Associated Factors
Urinary Incontinence. Faecal incontinence is consistently associated with urinary incontinence in adults (Table 2.6). In the general population in women,across a varie­ty of age groups over 20,the strength of association ranged from an odds ratio of 1.5 to 17 (adjusted for age).The association was convincing for urge incontinence but margi­nal for stress incontinence. In men, similar overall estimates ranged from 3.0 to 5.1. Non-age adjusted estimates showed similar ranges for women (2.1–11.5) and men (2.1–3.1). Residents in long-term care showed relatively strong associations between
10.4 and 20.5 for multivariate analyses and 25 for non-age adjusted odds ratios (Aggaz­zotti et al. 2000; Nelson et al. 1998; Ouslander et al. 1993).
c
Health Factors. There was consistent evidence from population-based studies with multivariate analyses to support associations between FI and poor health (Kalantar et al. 2002; Crome et al.2001; Nakanishi et al.1997; Nelson et al.1995), poor physical func-
Table 2.6. Association between urinary and faecal incontinence in population studies
Author Age OR men OR women Type Adjustment
Koskimaki et al. (2001) 50, 60, 70 – 17 (7.5, 40) Urge Age Nuotio et al. (2003) ‘older’ NS 7.84 Urge Age McGrother et al.(2005) 40+ 5.1 (3.9–6.5) 5.3 (3.9–7.2) OAB Age
Roberts et al. (1999) 50+ 3 (1.9–4.8) 1.8 (1.2–2.7) All Age Chen et al. (2003) 20+ 3.2 (1.6) Urge Multivariate
Edwards and Jones (2001) 65+ 11.5 (p<0.0001) All Unadjusted Kok et al.(1992) 60–84 5.8 (1.6–21.0) All Unadjusted Diokno et al. (1990) 60+ 3.2 (p=0.001) 2.5 (p=0.0005) All Unadjusted Wetle et al. (1995) 65+ 2.1–7.9
a
Varying with age, sex and severity.
1.8 (1.2–2.7) SUI
1.5 (0.7–3.0) SUI
a
2.1–7.9
a
All Unadjusted
Chapter 2 Epidemiology of Faecal Incontinence
tioning (Crome et al.2001; Talley et al. 1992; Edwards and Jones 2001),depression (Ed­wards and Jones 2001; Crome et al. 2001;Black et al. 1998),anxiety (Edwards and Jones 2001; Crome et al.2001) and diarrhoea or loose stool (Talley et al. 1992; Kalantar et al.
2002). Other health factors identified in lone studies were constipation (Lam et al.
1999), incomplete defaecation and urgency (Kalantar et al. 2002), bodily pain (Crome et al. 2001),and stroke (Nakanishi et al. 1997). Diabetes and dementia were also asso­ciated with isolated and double FI, respectively (Nakanishi et al. 1997). Although be­yond the scope of the systematic review, consistent evidence was also observed from prospective studies that instrumental vaginal delivery and sphincter damage were as­sociated with FI (Macarthur et al. 1997; Faltin et al. 2001; Eason et al.2002; de Leeuw et al. 2001).Among residents in long-term care, there was consistent evidence for associ­ation with poor mobility and dementia, and some indication of links with neurologi­cal disease and diarrhoea (Chassagne et al. 1999; Johanson et al.1997).
2.4 Conclusions
The results of this review are consistent with earlier reviews concerning the range of prevalence for faecal incontinence in the general population. There was a reasonable degree of consistency between individual studies on the prevalence of age-related moderate or more faecal incontinence affecting between 2.8% and 10.0% of adults, similarly in men and women, increasing with age. Males predominated at a younger age, whereas females had higher prevalence at old age, but the differences were slight. There was little evidence of differences in prevalence over time or between countries. Prevalence in long-term care was much higher than in the community, especially for major incontinence, and people with learning disability also experienced high rates. There was evidence of a link with adverse socio-economic status, but no difference was observed between whites and South Asians.There was a strong link between uri­nary and faecal incontinence.Faecal incontinence was also consistently related to poor perceived health,including depression,anxiety,diarrhoea and physical functioning in the general population.There was also consistent evidence for an association with in­strumental vaginal delivery.
Methodologically,it appeared that prevalence estimates were primarily dependent on the frequency and implicit severity of the wording of questions used plus the inclu­sion of people in long-term care.On the basis of this review, faecal incontinence could be defined conceptually as ‘any involuntary leakage of faeces (liquid or solid) from the bowel.However, the word ‘involuntary’ implies a degree of severity and ‘faeces’is not a common term. Also, different thresholds are needed for particular purposes (e.g. for health promotion or care). Therefore practical translation into a question would be ‘do you ever leak (liquid or solid) from your bowel when you don’t mean to (day or night), with responses ‘continuously, daily, weekly, monthly, yearly or never’.
Faecal incontinence may be an effective marker for impairment but the coherent whole that it represents is unclear and likely to involve other lower-bowel symptoms such as urgency and constipation, representing disorder of the lower-bowel system. Within such an umbrella, research measuring the public health burden and identify­ing causes and effects is likely to focus on the whole lower-bowel system including the following elements:
21
(a) Burden, the presence and severity of faecal incontinence (and related lower-bow-
el symptoms); impact (as a whole) on QOL; clinically significant disorder (as a whole); and felt need (i.e. use or want care)
22
Catherine W. McGrother
(b) Causes and effects, the type and severity of faecal incontinence and related lower
bowel symptom syndrome; clinical management group and underlying patho­physiological process.
2
Realistic conceptual and terminological standards for each element are needed as a basis for investigation, together with validated assessment and procedural standards for research including reporting for meta-analysis purposes. Effective multidiscipli­nary research depends on knowledge of the relationship between these elements rath­er than the primacy of one over another.
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incontinence among institutionalized patients: a cross-sectional epidemiologic study in a
midsized city in Northern Italy. Urology 56 : 245–249 Arthur A, Matthews R, Jagger C, Lindesay J (2002) Factors associated with antidepressant treat-
ment in residential care: changes between 1990 and 1997.Int J Geriatr Psych 17: 54–60 Black SA, Goodwin JS, Markides KS (1998) The association between chronic diseases and de-
pressive symptomatology in older Mexican Americans. J Gerontol Ser A 53: M188–M194 Brocklehurst J, Dickinson E, Windsor J (1999) Laxatives and faecal incontinence in long-term
care. Nursing Standard 13:32–36 Campbell AJ, Reinken J, McCosh L. (1985) Incontinence in the elderly – prevalence and progno-
sis. Age Ageing 14 :65–70 Canadian Task Force on Preventive Health Care. Grades of recommendations and published ev-
idence. Evidence based medical information. College Library, http : //www.ctfphc.org/ctphc&
methods.htm #Table 2.2 Chassagne P, Landrin I, Neveu C,Czernichow P et al (1999) Fecal incontinence in the institution-
alized elderly: incidence, risk factors and prognosis. Am J Med 106 : 185–190 Chen GD, Hu SW, Chen YC, Lin TL, Lin LY (2003) Prevalence and correlations of anal inconti-
nence and constipation in Taiwanese women. Neurourol Urodynam 22 :664–669 Clarke M, Clarke S, Odell A,Jagger C (1984) The elderly at home: health and social status. Health
Trends 16: 3–7 Crome P, Smith AE, Withnall A, Lyons RA (2001) Urinary and faecal incontinence: prevalence
and health (reviews). Clin Gerontol 11:109–113 De Leeuw JW, Vierhout ME, Struijk PC, Hop WCJ, Wallenburg HCS (2001) Anal sphincter dam-
age after vaginal delivery: functional outcome and risk factors for fecal incontinence. Acta
Obstet Gynecol Scand 80: 830–834 Diokno AC, Brock BM, Herzog AR, Bromberg J (1990) Medical correlates of urinary-inconti-
nence in the elderly. Urology 36 : 129–138 Drossman DA, Li ZM, Andruzzi E, Temple RD, Talley NJ et al (1993) United-States householder
survey of functional gastrointestinal disorders. Dig Dis Sci 38:1569–1580 Eason E, Labrecque M, Marcoux S, Mondor M (2002) Anal incontinence after childbirth. Can
Med Assoc J 166 :326–330 Edwards NI,Jones D (2001) The prevalence of faecal incontinence in older people living at home.
Age Ageing 30 :503–507 Eva UF, Gun W, Preben K (2003) Prevalence of urinary and fecal incontinence and symptoms of
genital prolapse in women.Acta Obstet Gynecol Scand 82:280–286 Faltin DL, Sangalli MR,Roche B,Floris L, Boulvain M et al (2001) Does a second delivery increase
the risk of anal incontinence? Br J Obstet Gynaecol 108:684–688 Harrari D (2002) Epidemiology and risk factors for bowel problems in older people. In: Potter J,
Norton C, Cottendon A (eds) Bowel care in older people. Clinical Effectiveness and Evalua-
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and management in an institutionalized population.J Am Geriatr Soc 42 : 947–952 Johanson JF, Irizarry F, Doughty A (1997) Risk factors for fecal incontinence in a nursing home
population.J Clin Gastroenterol 24: 156–160
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Kalantar JS,Howell S, Talley NJ (2002) Prevalence of faecal incontinence and associated risk fac-
tors. Med J Aust 176: 54–57 Kok ALM, Voorhorst FJ, Burger CW, Vanhouten P, Kenemans P et al (1992) Urinary and fecal
incontinence in community-residing elderly women. Age Ageing 21:211–215 Koskimaki J,Hakama M,Huhtala H,Tammela TLJ (2001) Association of non-urological diseases
with lower urinary tract symptoms.Scand J Urol Nephrol 35: 377–381 Lam TCF, Kennedy ML, Chen FC, Lubowski DZ, Talley NJ (1999) Prevalence of faecal inconti-
nence: obstetric and constipation-related risk factors.Colorect Dis 1: 197–203 Macarthur C, Bick DE, Keighley MRB (1997) Faecal incontinence after childbirth. Br J Obstet
Gynaecol 104: 46–50 Matibag GC, Nakazawa H, Giamundo P, Tamashira H (2003) Trends and current issues in adult
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nence – implications for management. J Epidemiol Comm Hlth 44: 246–248 McGrother CW, Hauck A, Bhaumik S, Thorp C, Taub N (1996) Community care for adults with
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the bladder: prevalence, incidence and need for services in the UK (MRC study).BJU Int 93:
763–769 McGrother CW, Donaldson MMK,Hayward T, Matthews R,Dallosso HM, Hyde C (2005) Urinary
storage symptoms and comorbidities: a prospective population cohort study in older wom-
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cal incontinence in a community-residing older population in Japan. J Am Geriatr Soc 45 :
215–219 Nelson R, Norton N, Cautley E, Furner S (1995) Community-based prevalence of anal inconti-
nence. JAMA 274 :559–561 Nelson R, Furner S, Jesudason V (1998) Faecal incontinence in Wisconsin nursing homes: preva-
lence and associations. Dis Colon Rectum 41: 1226–1229 Nuotio M, Jylha M, Luukkaala T, Tammela TLJ (2003) Urinary incontinence in a Finnish popula-
tion aged 70 and over. Scand J Prim Hlth Care 21: 182–187 Ouslander JG, Palmer MH, Rovner BW, German PS (1993) Urinary incontinence in nursing
homes – incidence, remission and associated factors. J Am Geriatr Soc 41 :1083–1089 Peet SM, Castleden CM, McGrother CW (1995) Prevalence of urinary and fecal incontinence in
hospitals and residential and nursing-homes for older-people.Br Med J 311: 1063–1064 Peet SM,Castleden CM, McGrother CW, Duffin HM (1996) The management of urinary inconti-
nence in residential and nursing homes for older people. Age Ageing 25:139–143 Perry S, Shaw C,McGrother C, Matthews RJ,Assassa RP, Dallosso H et al (2002) Prevalence of fae-
cal incontinence in adults aged 40 years or more living in the community. Gut 50: 480–484 Roberts RO, Jacobsen SJ, Reilly WT, Pemberton JH, Lieber MM et al (1999) Prevalence of com-
bined fecal and urinary incontinence: a community based study. J Am Geriatr Soc 47:
837–841 Talley NJ,O’Keefe EA, Zinsmeister AR, Melton LJ (1992) Prevalence of gastrointestinal symptoms
in the elderly: a population-based study. Gastroenterolgy 102: 895–901 Tariq SH, Morley JE, Prather CM (2003) Fecal incontinence in the elderly patient.Am J Med 115 :
217–227 Thomas TM, Egan M,Walgrove A, Meade TW (1984) The prevalence of faecal and double incon-
tinence. Commun Med 6: 216–220 Walter S, Hallbook O, Gotthard R, Bergmark M, Sjodahl R (2002) A population-based study on
bowel habits in a Swedish community: prevalence of faecal incontinence and constipation.
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23
Chapter 3
Chapter 3 Economic Costs of Urinary Incontinence in Ger-
Economic Costs of Urinary Incontinence in Germany
Günter Neubauer, Sandra Stiefelmeyer
25
3
Contents
3.1 Prevalence and Social Importance . . . . . . . . . . . . . 26
3.2 From a Medical to an Economic Approach . . . . . . . . 27
3.3 Direct Costs . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.4 Indirect Costs . . . . . . . . . . . . . . . . . . . . . . . . . 28
3.5 Economic Impact in Germany . . . . . . . . . . . . . . . 29
3.6 From Treating to Healing . . . . . . . . . . . . . . . . . . 30
References . . . . . . . . . . . . . . . . . . . . . . . . . . 31
3
26
Günter Neubauer,Sandra Stiefelmeyer
3.1 Prevalence and Social Importance
Urinary and fecal incontinence is a frequent public health problem with negative so­cial consequences. Failure to control the elimination of urine or stool causes psycho­logical problems, complicates medical illness, makes management difficult and pro­duces major economic consequences. Susceptibility is the result of anatomical, social, economic and cultural factors.Also, urinary incontinence is a major clinical problem that has a profound effect on quality of life and activities of daily living (Hollywood and O’Dowd 1998) and isolates the affected person from friends and family. Women with urinary incontinence report fear,frustration, shame and humiliation, and worry about the odor of urine from pads and wet underclothing. Urinary incontinence is physically debilitating and socially incapacitating, and is associated with loss of self­confidence,feelings of helplessness, depression and anxiety.
The probability of incontinence increases with age. The nature of incontinence changes from stress incontinence to urge incontinence with age as a result of an in­creasing prevalence of multiple disorders and organ dysfunction. This change has a significant implication for clinical management.While stress incontinence is typically managed with strengthening exercises for pelvic floor muscles, with or without neuro­muscular electrostimulation and surgery, management of urge incontinence also in­clude a bladder training program, drugs and transcutaneous electrostimulation aimed at the spinal micturition reflex center.
Studies regarding the prevalence of urinary incontinence suggest that this problem is widespread among women and men of all ages. The prevalence of urinary inconti­nence ranges from 10% to 60%, depending on the country and population studied. Women are much more susceptible to urinary incontinence than men.Anatomical and physiological differences,such as reproductive and hormonal changes associated with pregnancy and menopause, explain the differences prevailing between male and fe­male. It is highly probable that socioeconomic and cultural factors play a crucial role in urinary incontinence. However, the extent of the influence of these factors on women’s health remains relatively unknown. In contrast, fecal incontinence is less in­vestigated and only few data are reported, mainly from clinical experience with pa­tients with this disorder. These studies are methodologically rather weak in informa­tion. They generally focus on a narrow part of the problem that cannot be extrapolat­ed to the entire population with incontinence.
The costs of urinary and fecal incontinence is not adequately described by the dol­lars spent in the healthcare system. Nonetheless, in the current climate of economic healthcare rationalization,it remains useful to calculate the measurable costs of a dis­order, as least to justify expenditure on this rather than upon some other medical problem. The costs of an illness comprises three components: direct costs, which in­clude personal costs (pads, replacement of urine-soaked clothes) and treatment costs (met by patients and by several government subsidies); indirect costs, which include lost productivity both in the home and in outside employment; and intangible costs, which are most difficult to measure financially, but include psychological distress and impaired physical or mental health.