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Table 2 Genotype frequencies of the C677T polymorphisms in the gene in patients and in controls

From: CT genotype of 5,10-methylenetetrahydrofolate reductase (MTHFR) C677T polymorphism is protector factor of major depressive disorder in the Tunisian population: a case control study

Genotype Patients Controls χ 2, df, p
CC 105 (51 %) 80 (43 %) χ 2 = 5.443/ddl = 2//p = 0.066
CT 80 (38 %) 93 (50 %)
TT 23 (11 %) 14 (7 %)