TABLE 1.
Characteristics of the study groups and prevalence of H. pylori infection evaluated by different methods in patients with peptic ulcer and in nonulcer patients
| Characteristic | Clinical statusa (n)
|
P value | |||
|---|---|---|---|---|---|
| Nonulcer
|
Peptic ulcer
|
||||
| G (21) | D (21) | GU (31) | DU (26) | ||
| Mean age, yr (±SD) | 48.6 (±16.9) | 46.1 (±12.3) | 59.2 (±13.6) | 50.8 (±15.3) | 0.02 |
| Sex ratio (M/F)b | 7/14 | 14/7 | 13/18 | 14/12 | 0.06 |
| No. (%) positive for H. pylori infection as determined by: | |||||
| Histology | 9 (43) | 14 (67) | 27 (87) | 15 (63) | |
| Urease test | 8 (38) | 13 (62) | 21 (68) | 16 (67) | |
| ureA PCR | 9 (43) | 10 (48) | 20 (65) | 19 (73) | |
| 16S rRNA PCR | 10 (48) | 13 (62) | 28 (90) | 24 (92) | |
a
Abbreviations: G, gastritis; D, duodenitis; GU, gastric ulcer; DU, duodenal ulcer.
b
M, male; F, female.