Table 2.
Adjusted OR for cancers at upper, middle and lower third of the esophagus associated with seropositivity of H. pylori
| H. pylori infection | Controls | Location of ESCC | Total cases | ||||
|---|---|---|---|---|---|---|---|
| Upper + Middle | lower | ||||||
| No. (%) |
No. (%) |
AOR1 (95% CI) |
No. (%) |
AOR1 (95% CI) |
No. (%) |
AOR1 (95% CI) |
|
| Negative | 92 (47) |
76 (62) |
1.0 | 38 (66) |
1.0 | 114 (63) |
1.0 |
| Positive | 102 (53) |
46 (38) |
0.6 (0.3 – 1.1) |
20 (34) |
0.5 (0.2 – 1.0) |
66 (37) |
0.5 (0.3 – 0.9) |
1 Odds ratios were adjusted for the covariates (age, gender, education level, pack-years of cigarette smoking and of betel quid chewing, and drink-years of alcohol drinking) listed in Table 1.