| Variable | IBS (Rome VI) | IBS Symptoms | No IBS | Total |
| Gender |
|
|
|
|
| Males | 43 | 118 | 230 | 391 |
| Females | 66 | 193 | 270 | 529 |
| Total | 109 | 311 | 500 | 920 |
| Age |
|
|
|
|
| ≤20 years | 15 | 44 | 62 | 121 |
| 21 - 29 | 38 | 122 | 196 | 356 |
| 30 - 39 | 20 | 58 | 60 | 138 |
| 40 - 49 | 20 | 41 | 90 | 151 |
| ≥50 | 16 | 46 | 92 | 154 |
| Total | 109 | 311 | 500 | 920 |