Table 1.
Comparison of semen quality parameters between the recurrent pregnancy loss (RPL) and control groups
| RPL group (n = 68) | Control group (n = 63) | P | |||
|---|---|---|---|---|---|
| Median ± SD | Range | Median ± SD | Range | ||
| AB staining (%) | 25.64 ± 11.51 | 10–65 | 19.98 ± 7.66 | 7–40 | * |
| Concentration (×106/ml) | 75.23 ± 48.08 | 9.92–263.59 | 93.03 ± 59.62 | 17.53–246.00 | |
| Motility (%) | 33.19 ± 16.40 | 3.40–68.79 | 50.79 ± 17.64 | 2.97–82.53 | |
| Viability (%) | 56.25 ± 15.18 | 18–87 | 67.87 ± 13.21 | 33–89 | * |
| Morphology (%) | 14.18 ± 7.99 | 0–43 | 17.93 ± 9.76 | 2–41 | * |
| Total progressive motile sperm (×106/ejaculate) | 91.60 ± 86.28 | 2.13–467.82 | 147.64 ± 131.49 | 6.18–645.93 | * |
| F1 | 4.12 ± 0.57 | 2.23–4.80 | 4.53 ± 0.51 | 2.77–5.25 | * |
| F2 | 3.76 ± 0.28 | 2.45–4.27 | 3.89 ± 0.25 | 3.10–4.29 | * |
| F3 | 1.56 ± 0.37 | 0.67–2.38 | 1.71 ± 0.36 | 0.92–2.25 | |
| Semen quality | 3.01 ± 0.29 | 2.09–3.41 | 3.27 ± 0.28 | 2.45–3.74 | * |
F1: The first principal component. F2: The second principal component. F3: The third principal component
AB staining (%): the percentage of aniline blue (AB) staining positive for sperm
*P < 0.05 (t-test)