Table 1 MTHFR genotype frequency distribution in cases and controls
Polymorphism | Genotype/allele | Control (full-term mothers) (N = 100) n f (%) | Cases (preterm mothers) (N = 100) n f (%) | Chi-square and p value | OR (95% CI) |
|---|---|---|---|---|---|
C677T | CC | 56 (56%) | 36 (36%) | – | 1 |
CT | 44 (44%) | 61 (61%) | 7.06** | 2.16 (1.21–3.79) | |
TT | 0 | 3 (3%) | 4.45* | Infinity (1.28-Infinity) | |
C | 156 (78%) | 133 (66.5%) | – | 1 | |
T | 44 (22%) | 67 (33.5%) | 6.60* | 1.79(1.13–2.81) |