Table 2.
Characteristics of the pregnant and non-pregnant groups
| Non-pregnant group | Pregnant group | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Mean | SD | Median | Min | Max | Mean | SD | Median | Min | Max | |
| Female age (years) | 33.31 | 3.64 | 33.7 | 25.7 | 42.3 | 33.66 | 3.32 | 33.25 | 28.5 | 39.7 |
| Partner’s age (years) | 35.65 | 4.88 | 35.32 | 26.32 | 51.81 | 38.15 | 5.57 | 37.02 | 28.11 | 51.89 |
| Sperm count | 32.11 | 16.17 | 28 | 3 | 83 | 28.58 | 17.99 | 27.5 | 5 | 84 |
| Progressive motility % | 39.25 | 7.66 | 40 | 20 | 60 | 39.58 | 6.90 | 40 | 30 | 60 |
| Sperm progression grade | 1.82 | 0.30 | 2 | 1 | 2.5 | 1.77 | 0.25 | 2 | 1.5 | 2 |
| Abnormal sperm % | 94.67 | 1.89 | 94 | 91 | 98 | 94.96 | 1.94 | 95 | 91 | 98 |
| Normal sperm % | 5.33 | 1.89 | 6 | 2 | 9 | 5.04 | 1.94 | 5 | 2 | 9 |
| Volume (ml) | 3.47 | 1.75 | 3.2 | 0.4 | 9 | 3.23 | 1.70 | 2.75 | 0.7 | 6.5 |
| Prep count | 37.74 | 19.41 | 39 | 4 | 82 | 34.25 | 24.66 | 25.5 | 10 | 104 |
| Prep progressive motility % | 74.84 | 8.52 | 80 | 50 | 90 | 75.83 | 5.84 | 80 | 60 | 80 |
| Prep sperm progression gradea | 2.46 | 0.40 | 2.5 | 1 | 3 | 2.56 | 0.43 | 2.5 | 2 | 3 |
| Follicle numbers | 1.00 | 0.00 | 1 | 1 | 1 | 1.71 | 0.86 | 1 | 1 | 3 |
| Endometrial thickness (mm) | – | – | – | – | – | 10.68 | 1.88 | 11 | 6.6 | 13.4 |
| BMI | 26.54 | 1.48 | 27 | 22.5 | 29 | 26.67 | 1.45 | 27 | 22.5 | 29 |
Progressive motility and prep progressive motility refer to motility in neat fresh sample and in processed samples, respectively
aProgression grades: Grade A: (assigned 3); Grade B (assigned 2); Grade C (assigned 1); non-progressive motility (assigned 0)