Skip to main content

Table 2 Demographic data for case (gastric cancer patients) and control groups

From: Investigation of INDEL variants in apoptosis: the relevance to gastric cancer

Variable Case Control P-value
N 91 95  
Age, yearsa 42.15 ± 1.66 32.18 ± 1.17 < 0.001
Sex, % of male/femaleb 48.9/51.1 50.0/50.0 1.000
European ancestryc 0.541 ± 0.028 0.587 ± 0.021 0.251
African ancestryc 0.152 ± 0.018 0.124 ± 0.013 0.966
Native American ancestryc 0.307 ± 0.022 0.289 ± 0.019 0.649
Stage I, % 3.3 NA 0.241
Stage II, % 20.7 NA
Stage III, % 26.0 NA
Stage IV, % 50.0 NA
  1. aValues are expressed as mean ± SE (Standard Error of Mean), Student’s t-test; b cValues are expressed as distribution percentages, chi-squared test; cValues are expressed as mean ± SE, Mann-Whitney test. NA Not Applicable