Table 1.
Parameters | NOA (n = 36) | OA (n = 58) | p value |
---|---|---|---|
Mean velocity (mm/s) | 3.130 (1.024) | 3.214 (0.813) | 0.663 |
Mean tortuosity | 2.759 (0.368) | 2.742 (0.343) | 0.815 |
Mean diameter (μm) | 143.1 (31.3) | 183.6 (37.1) | <0.001*** |
Vessel density | 0.392 (0.148) | 0.542 (0.143) | <0.001*** |
Fractal number | 1.793(0.063) | 1.852 (0.057) | <0.001*** |
The values in the table were means, with standard deviations in parentheses. NOA: non-obstructive azoospermia; OA: obstructive azoospermia. *** indicates p < 0.001.