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Table 5 Comparison of the IBS-QOL between Japan and the U.S

From: Translation and validation of a Japanese version of the irritable bowel syndrome-quality of life measure (IBS-QOL-J)

  Score (mean ± SD)
  IBS (Japan) Other FBD (Japan) IBS* (U.S.)
Number 30 19 155
Female (%) 18 (60) 9 (47) 138 (89)
Age (yrs) 39 ± 17 37 ± 12 39 ± 12
IBSSI (Overall) 250 ± 95.5a 172 ± 89.8 - b
IBS-QOL    
   Overall 68.2 ± 19.7 73.6 ± 20.2 63.2 ± 18.5
   Dysphoria 61.0 ± 26.8 62.2 ± 28.4 63.1 ± 23.9
   Interference with activity 62.3 ± 25.8 72.9 ± 21.9 63.1 ± 22.3
   Body image 80.0 ± 18.0 87.5 ± 17.4 62.5 ± 24.3
   Health worry 73.1 ± 19.4 80.7 ± 16.7 59.2 ± 24.6
   Food avoidance 55.3 ± 27.2 66.2 ± 29.1 43.4 ± 26.7
   Social reaction 77.1 ± 18.9 79.9 ± 21.4 69.4 ± 22.9
   Sexual concerns 89.2 ± 22.9 87.5 ± 13.2 73.5 ± 27.6
   Relationships 72.2 ± 23.0 67.7 ± 29.8 72.3 ± 21.7
  1. *IBS was diagnosed by Rome I criteria, data from Patrick, et al, 1998 (with permission, ref. 12). ap < 0.01 vs other FBD. bIBSSI was not investigated. Higher values indicate better QOL score for the IBS-QOL.