Table 1 Patient characteristics in the group with undifferentiated-type gastric cancer according to Helicobacter pylori infection status
From: Effect of Helicobacter pylori infection on malignancy of undifferentiated-type gastric cancer
UD-E (A) | UD-I (B) | UD-U (C) | Significance | |
|---|---|---|---|---|
Patients (lesions) with undifferentiated AC, n | 28 (28) | 32 (38) | 23 (24) | |
Sex | p = 0.001 (A vs B vs C) p = 0.001 (B vs C) NS (A vs B) NS (C vs A) | |||
Male | 18 (64.3%) | 14 (43.8%) | 20 (87.0%) | |
Female | 10 (35.7%) | 18 (56.2%) | 3 (23.0%) | |
Age, years (mean ± SD) | 63.1 ± 14.3 | 64.0 ± 13.4 | 56.3 ± 9.15 | p = 0.026 (A vs B vs C) p = N.S (A vs B) p = 0.0012 (B vs C) p = 0.008 (C vs A) |
Atrophy | p < 0.01 (A vs B vs C) p < 0.01 (B vs C) p < 0.01 (C vs A) p = 0.101 (A vs B) | |||
None to Mild(C-0–C-2) | 7 (25.0%) | 3 (9.4%) | 23 (100%) | |
Moderate to Severe (C-3–O3) | 21 (75.0%) | 29 (90.6%) | 0 (0%) |