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Table 3 Associations between overactive bladder syndrome (OAB) and three different functional disorders among participants who could be classified with or without OAB (716 Giardia exposed and 833 controls) six years after an outbreak of Giardia in Bergen, Norway 2004

From: The relationship between irritable bowel syndrome, functional dyspepsia, chronic fatigue and overactive bladder syndrome: a controlled study 6 years after acute gastrointestinal infection

Disorder Giardia exposed N Controls  
  N n % OR 95 % CI n % OR 95 % CI p-valueb)
Comorbidity            
  No comorbidity 307 38 12.4 1.00 reference 617 67 10.9 1.00 reference  
  Any comorbiditya) 388 92 23.7 2.20 (1.46, 3.32) 181 41 22.7 2.40 (1.56, 3.70) 0.770
Irritable bowel syndrome            
  No IBS 424 73 17.2 1.00 reference 728 86 11.8 1.00 reference  
  IBS 284 60 21.1 1.29 (0.88, 1.88) 98 24 24.5 2.42 (1.45, 4.04) 0.051
Chronic Fatigue            
  No CF 481 65 13.5 1.00 reference 733 86 11.7 1.00 reference  
  CF 221 66 29.9 2.73 (1.85, 4.02) 96 26 27.1 2.79 (1.69, 4.62) 0.938
Functional dyspepsia            
  No FD 549 88 16.0 1.00 reference 739 96 13.0 1.00 reference  
  FD 145 39 26.9 1.93 (1.25, 2.97) 53 10 18.9 1.56 (0.76, 3.20) 0.619
  1. Abbreviations: OAB overactive bladder syndrome; OR odds ratio; CI confidence interval; IBS irritable bowel syndrome; CF chronic fatigue, FD functional dyspepsia
  2. a) Respondents classified with either IBS, CF or FD; b) p-value for effect modification by Breslow-Day test for homogeneity