N | Semen volume (ml) | Sperm density (×106/ml) | Sperm viability (%) | Progressive motility (%) | Normal morphology (%)* | |
---|---|---|---|---|---|---|
Hebei | 196 | 2.4 (0.4) b | 63.5 (23.3) b | 66.6 (5.0) c | 42.1 (4.9) c | 33.3 (1.8) e |
Henan | 184 | 2.2 (1.2) c | 84.0 (50.5) a | 68.6 (16.4) c | 46.9 (14.1) b | 54.9 (21.9) b |
Shanxi | 199 | 2.1 (0.3) c | 85.9 (36.3) a | 58.9 (11.2) d | 53.2 (10.8) a | 44.8 (11.5) c |
Guizhou | 193 | 2.4 (1.2) b | 53.2 (33.9) c | 78.4 (8.2) a | 43.7 (9.5) c | 37.7 (8.04) d |
Zhejiang | 205 | 2.6 (1.5) b | 80.3 (57.8) a | 74.3 (15.5) b | 48.2 (18.7) b | 33.8 (12.9) e |
Shandong | 202 | 2.9 (1.0)a | 66.2 (33.9) b | 72.3 (7.8) b | 49.0 (12.9) b | 59.4 (12.8) a |