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Table 1 General characteristics of the controls and CRC patients

From: The correlation between PER3 rs2640908 polymorphism and colorectal Cancer in the Japanese population

  Cases Controls P
n (male/female) 121 (78/43) 197 (131/66) 0.8
Age (SD) 64.3 (11.2) 65.5 (17.3) 0.45
Smoking status (smoker/never) 60/61 123/74 0.03