Symptom frequency, severity of subgroups of functional dyspepsia
| Pure PDS (n=184) | Pure EPS (n=129) | Pure overlap (n=169) | ||||||
|---|---|---|---|---|---|---|---|---|
| Cardinal symptom | Postprandial fullness n (%) | Early satiation n (%) | Both* n (%) | Epigastric pain/burning n (%) | Postprandial fullness n (%) | Early satiation n (%) | Both* n (%) | Epigastric pain/burning n (%) |
| Frequency | ||||||||
| ≥2 days/week | 48 (26.1) | 40 (21.7) | 5 (2.6) | 108 (83.7) | 53 (31.4) | 9 (5.3) | 15 (8.9) | 86 (50.9) |
| Every day | 55 (29.9) | 29 (15.7) | 7 (3.8) | 21 (16.3) | 63 (37.3) | 12 (7.1) | 17 (10.0) | 83 (49.1) |
| Severity | ||||||||
| Mild | 54 (29.3) | 29 (15.8) | 6 (3.3) | 61 (47.3) | 39 (30.2) | 10 (5.9) | 10 (5.9) | 58 (34.3) |
| Moderate | 40 (21.7) | 21 (11.4) | 4 (2.1) | 55 (42.6) | 63 (48.8) | 7 (4.1) | 17 (10.1) | 89 (52.7) |
| Severe | 9 (4.9) | 7 (3.8) | 2 (1.1) | 13 (10.1) | 14 (10.6) | 4 (2.4) | 5 (3.0) | 22 (13.0) |
| Associated symptoms | ||||||||
| Nausea | 6 (3.3) | 3 (1.6) | 9 (4.9) | 5 (3.9) | 11 (6.5) | 1 (0.6) | 7 (4.1) | 9 (5.3) |
| Belching | 5 (2.7) | 3 (1.6) | 6 (3.3) | 3 (2.30 | 9 (5.3) | 1 (0.6) | 6 (3.6) | 7 (4.1) |
| Bloating | 66 (35.9) | 45 (24.5) | 9 (4.9) | 30 (23.2) | 86 (50.9) | 11 (6.5) | 18 (10.7) | 41 (24.3) |
| Non-prominent reflux | 31 (16.8) | 18 (9.8) | 5 (2.7) | 28 (21.7) | 25 (14.8) | 15 (8.9) | 2 (1.2) | 42 (24.9) |
Nine unspecific subgroup subjects were not included.
*Both, subjects had typical symptom of postprandial fullness and early satiation.
EPS, epigastric pain syndrome; PDS, postprandial distress syndrome.