Table 3.
Diagnostic findings in patients who had endoscopy
| Diagnosis at endoscopy | No (%) in study group (n=127) | No (%) in control group(n=48) | Difference in % (95% CI) | χ2 (df=1) | P value |
|---|---|---|---|---|---|
| Normal | 48 (38) | 17 (35) | 3 (−4 to 18) | 0.1 | 0.7 |
| Duodenal ulcer | 17 (13) | 3 (6) | 7 (−2 to 16) | 1.8 | 0.2 |
| Gastric ulcer | 4 (3) | 1 (2) | 1 (−4 to 6) | 0.99† | |
| Oesophagitis | 22* (17) | 15 (31) | −14 (−29 to 1) | 4.1 | 0.04 |
| Duodenitis | 24 (19) | 3 (6) | 13 (3 to 22) | 4.3 | 0.04 |
| Gastritis | 26 (20) | 11 (23) | −3 (−16 to11) | 0.1 | 0.7 |
| Gastric cancer | 0 | 0 | — | — | — |
*
Includes one patient with diagnosis of Barrett's oesophagus.
†
Fisher's exact test.