Table 3.
The prevalence of overlap in functional gastrointestinal disorders (FGIDs).
| Two-way combination | N (%) |
|---|---|
| B + C | 188 (4.06%) |
| FD + IBS | 134 (2.89%) |
| Others | 54 (1.17%) |
| B + F | 148 (3.19%) |
| NVD + FAP | 64 (1.38%) |
| Others | 84 (1.81%) |
| C + F | 135 (2.91%) |
| IBS + FAP | 45 (0.97%) |
| Others | 90 (1.94%) |
| A + B | 56 (1.21%) |
| FH + FD | 17 (0.37%) |
| Others | 39 (0.84%) |
| A + C | 46 (0.99%) |
| FAB + FC | 15 (0.32%) |
| Others | 31 (0.67%) |
| A + F | 43 (0.92%) |
| FCP + FI | 13 (0.28%) |
| Others | 30 (0.64%) |
|
| |
| Three/four-way combination | |
|
| |
| B + C + F | 40 (0.87%) |
| IBS + FD + FAP | 16 (0.34%) |
| Others | 24 (0.53%) |
| A + B + F | 24 (0.56%) |
| FH + FD + FI | 13 (0.29%) |
| Others | 10 (0.27%) |
| A + B + C | 25 (0.54%) |
| FH + NVD + IBS | 11 (0.23%) |
| Others | 14 (0.31%) |
| A + C + F | 16 (0.35%) |
| FCP + FC + FI | 9 (0.19%) |
| Others | 7 (0.16%) |
| A + B + C + F | 11 (0.23%) |
| FH + FD + IBS + FAP | 4 (0.08%) |
| Others | 7 (0.15%) |
FCP: functional chest pain, FH: functional heartburn, FI: functional incontinence, IBS: irritable bowel syndrome, FAB: functional abdominal bloating, FAP: functional anorectal pain, and NVD: nausea and vomiting disorders.