Table 4 Association analysis between mitochondrial haplogroups and sperm characteristics in infertile men
From: Associations between male infertility and ancestry in South Americans: a case control study
| Â | Haplogroup H,I,J,K,N,T,U | Haplogroup A,B,C,D | Haplogroup L | ND |
|---|---|---|---|---|
Semen analysisa | ||||
| Â | n (%) | n (%) | n (%) | n (%) |
Sperm count | ||||
 < 15 × 106/ml | 46 (66.7) | 14 (50.0) | 5 (62.3) | 7 (35.3) |
 > 15 × 106/ml | 23 (33.3) | 14 (50.0) | 3 (37.8) | 8 (64.7) |
Progressive Motility | ||||
 < 32% | 30 (43.5) | 10 (36.4) | 2 (25.0) | 4 (33.3) |
 > 32% | 39 (56.6) | 18 (64.3) | 6 (75.0) | 11 (66.7) |
Morphology | ||||
 < 4% | 46 (66.7) | 16 (61.5) | 6 (75.0) | 6 (35.3) |
  ≥ 4% | 23 (66.3) | 10 (38.5) | 2 (25.0) | 11 (64.7) |