Table 3 Characteristics of esophageal and gastroesophageal junction cancer cases grouped by fresh frozen endoscopy biopsy H. pylori status
Esophageal (N = 62) | Pearson Chi2 p-value | ||||||
|---|---|---|---|---|---|---|---|
Hp negative (N = 28) | Hp positive - cagA negative (N = 14) | Hp positive - cagA positive (N = 20) | |||||
N | % | N | % | N | % | ||
Sex | |||||||
Male | 13 | 46% | 5 | 36% | 11 | 55% | 0.54 |
Female | 15 | 54% | 9 | 64% | 9 | 45% | |
Age at recruitment (years) | |||||||
< 40 | 3 | 11% | . | . | 3 | 15% | 0.83 |
40–49 | 5 | 18% | 3 | 21% | 2 | 10% | |
50–59 | 8 | 29% | 4 | 29% | 6 | 30% | |
60+ | 12 | 43% | 7 | 50% | 9 | 45% | |
Education | |||||||
None | 6 | 21% | 3 | 21% | 5 | 25% | 0.95 |
Any schooling | 22 | 79% | 11 | 79% | 15 | 75% | |
Center of enrolment | |||||||
Mexico Higher Clinic | 13 | 46% | 10 | 71% | 17 | 85% | 0.02 |
Adera Higher Clinic | 15 | 54% | 4 | 29% | 3 | 15% | |
Location of tumor | |||||||
Upper third of esophagus | 3 | 11% | 1 | 7% | . | . | 0.76 |
Middle third of esophagus | 7 | 25% | 5 | 36% | 7 | 35% | |
Lower third of esophagus | 9 | 32% | 6 | 43% | 6 | 30% | |
Esophagus, unspecified | 4 | 14% | 1 | 7% | 2 | 10% | |
Junction | 5 | 18% | 1 | 7% | 5 | 25% | |
Histology | |||||||
Squamous cell carcinoma | 22 | 79% | 11 | 79% | 13 | 65% | 0.62 |
Adenocarcinoma | 4 | 14% | 2 | 14% | 5 | 25% | |
Mixed | 1 | 4% | . | . | 2 | 10% | |
Other | 1 | 4% | 1 | 7% | . | . | |