Table 2 Distribution of polymorphisms of the MAO-A gene in the ODD group and controls
Genotype | 3/3 (%) | 3/4 and 4/4 (%) | χ2 | P |
|---|---|---|---|---|
Male | ||||
 ODD (n = 70) | 13 (18.6) | 57 (81.4) | 4.624 | 0.032* |
 Controls (n = 66) | 23 (34.8) | 43 (65.2) |  |  |
 OR(95%CI) | 0.43 (0.94–0.19) | 2.35 (1.07–5.15) |  |  |
Female | ||||
 ODD (n = 53) | 5 (9.4%) | 48 (90.6%) | 1.664 | 0.197 |
 Controls (n = 68) | 12 (17.6%) | 56 (82.4%) |  |  |
 OR(95%CI) | 0.49 (0.16–1.48) | 2.06 (0.68–6.26) |  |  |
Alleles | ||||
 Female | ||||
  ODD (n = 53) | 10 (9.4%) | 96 (90.6%) | 3.328 | 0.068 |
  Controls (n = 68) | 24 (17.6%) | 112 (82.4%) |  |  |