| Meal-related symptom score | Subjects without symptoms (%) | Time to peak (min) | |
| Postprandial fullness | 23.2 (1.3)* | 27 (12.4)† | 40 (4)‡ |
| Bloating | 18.8 (1.2)* | 45 (20.6) | 42 (4)§ |
| Nausea | 13.0 (1.1) | 79 (36.3) | 49 (4)‡ |
| Belching | 14.8 (1.0) | 39 (17.9) | 54 (5)¶ |
| Epigastric pain | 14.4 (1.2) | 82 (37.6) | 72 (6)** |
| Epigastric burning | 9.7 (1.0)* | 103 (47.2)†† | 75 (6)†† |
For each symptom, a meal-related severity score was obtained by adding scores obtained at 15 min intervals from the start of meal ingestion to 240 min postprandially.
*p<0.05 compared with all other symptoms. †p<0.05 compared with all other symptoms except belching. ‡p<0.05 compared with all other symptoms except bloating. §p<0.05 compared with all other symptoms except fullness. ¶p<0.05 compared with all other symptoms except nausea. **p<0.05 compared with all other symptoms except epigastric burning. ††p<0.05 compared with all other symptoms except epigastric pain.