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