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. 2016 Sep 15;7(42):68434–68441. doi: 10.18632/oncotarget.12034

Table 1. Characteristics of cases and controls in this study.

Variable(s) Case (n = 285) Control (n = 308) p value
Sex N(%) < 0.001a
 Male 173 (60.7) 396 (78.1)
 Female 112(39.3) 111 (21.9)
Age, year (mean ± SD) 41.88 ± 12.79 47.43 ± 9.74 < 0.001b
a

Two-sided Chi-squared test.

b

Independent samples t test.