Table 1. Baseline characteristics.
| Categories | Value (n=75) | ||
|---|---|---|---|
| Age (yr) | 12.2±3.3 | ||
| Sex (male:female) | 31:44 (1:1.4) | ||
| Main symptoms | |||
| Abdominal pain | 45 (60.0) | ||
| Vomiting | 10 (13.3) | ||
| Substernal pain | 8 (10.7) | ||
| Diarrhea | 7 (9.3) | ||
| No symptom | 5 (6.7) | ||
| Endoscopic findings | |||
| Gastritis | 50 (66.7) | ||
| Acute erosive hemorrhagic gastritits | 21/50 | ||
| Chronic superficial gastritits | 12/50 | ||
| Nodular gastritits | 7/50 | ||
| Verrucous gastritis | 2/50 | ||
| Combined* | 8/50 | ||
| Reflux esophagitis | 21 (28.0) | ||
| D-G-R | 11 (14.7) | ||
| Gastric ulcer | 9 (12.0) | ||
| Duodenitis | 8 (10.7) | ||
| Acute erosive duodenitis | 4/8 | ||
| Chronic duodenitis | 3/8 | ||
| Nodular duodenitis | 1/8 | ||
| Duodenal ulcer | 5 (6.6) | ||
| Current Helicobacter pylori infection | 8 (10.7) | ||
| Number of D-cells | |||
| Antrum | 14 (5–24.7) | ||
| Body | 6.7 (3.7–13.7) | ||
Values are presented as mean±standard deviation, number only, number (%), or median number (interquartile range).
D-G-R: duodeno-gastro reflux.
*There are 2 more than lesions of the above-mentioned.