Table 1.
Baseline characteristics of the patients who underwent successful H. pylori eradication and their observation period.
| Cases (n) | 185 |
|---|---|
| Gender (male/female (n)) | 104/81 |
| Age at the time of endoscopy before H. pylori eradication whose images were examined in this study (mean ± SD (years)) | 63.5 ± 9.6 |
| RE before eradication of H. pylori (LA-A/LA-B/LA-C/LA-D (n)) | 2/1/0/0 |
| Atrophy a before eradication of H. pylori (closed type/open type (n)) | 81/104 |
| Ulcer including scar before eradication of H. pylori (gastric ulcer/duodenal ulcer (n)) | 24/50 |
| HH before eradication of H. pylori (n) | 23 |
| Observation period b (mean ± SD (years)) | 6.4 ± 1.9 |
HH, hiatal hernia; H. pylori, Helicobacter pylori; LA, Los Angeles classification; n, number of patients; RE, reflux esophagitis; SD, standard deviation.
a
Gastric mucosal atrophy was evaluated according to the Kimura–Takemoto classification and was classified by degree into two grades of closed type and open type. No atrophy (n = 4) was included as the closed type.
b
Observation period, the interval between the two endoscopic examinations before and after H. pylori eradication whose images were examined in this study.