Table 5. Comparisons in demographic characteristics and comorbidities between cohort with and without irritable bowel syndrome.
| Irritable bowel syndrome | |||||
|---|---|---|---|---|---|
| Variables | No (N = 119500) | Yes (N = 29875) | p-value | ||
| n | % | n | % | ||
| Sex | 0.99 | ||||
| Female | 63144 | 52.8 | 15786 | 52.8 | |
| Male | 56356 | 47.2 | 14089 | 47.2 | |
| Age, years | 0.99 | ||||
| 20–34 | 23944 | 20.0 | 5986 | 20.0 | |
| 35–49 | 37064 | 31.0 | 9266 | 31.0 | |
| 50–64 | 31828 | 26.6 | 7957 | 26.6 | |
| ≥ 65 | 26664 | 22.3 | 6666 | 22.3 | |
| *Mean (SD) | 49.9 | (16.9) | 50.4 | (16.7) | <0.001 |
| Comorbidity | |||||
| COPD | 7591 | 6.35 | 3437 | 11.5 | <0.001 |
| GERD | 848 | 0.71 | 1318 | 4.41 | <0.001 |
| Allergic rhinitis | 9966 | 8.34 | 5107 | 17.1 | <0.001 |
| Chronic sinusiti | 1734 | 1.45 | 947 | 3.17 | <0.001 |
| Atopic dermatitis | 1608 | 1.35 | 640 | 2.14 | <0.001 |
| Anxiety | 4601 | 3.85 | 4210 | 14.1 | <0.001 |
| Depression | 3318 | 2.78 | 2593 | 8.68 | <0.001 |
| Obesity | 1055 | 0.88 | 386 | 1.29 | <0.001 |
COPD = chronic obstructive pulmonary disease, GERD = gastroesophageal reflux disease;
Chi-square test was used to test categorical variables
*2-sample t-test was used to test mean ages.