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Characteristics of the esophageal cancer (EC) study population
| Variables | Controls (n = 241) | EC cases (n = 96) | P value† |
|---|---|---|---|
| Age (years) | 0.395 | ||
| ≤60 | 141 (58.5)* | 61 (63.5) | |
| >60 | 100 (41.5) | 35 (36.5) | |
| Gender | 0.177 | ||
| Male | 160 (66.4) | 71 (74.0) | |
| Female | 81 (33.6) | 25 (26.0) |
*Numbers in parentheses, percentage.
† P value for chi-squared test.
