Table 2 Categorization of sperm samples as a function of conventional sperm parameters and a densitometric analysis of the 110–80 kDa proteins
From: Gel electrophoresis of human sperm: a simple method for evaluating sperm protein quality
Parameter (units) | Group 1 n = 122 | Group 2 n = 123 | p-value in Student’s t test or (when underlined) a Kruskal-Wallis test |
|---|---|---|---|
Semen volume (mL) | 3.5 [2.9–4.7] 4.07 (1.8–12) | 3.8 [3.1–4.6] 4.02 (1.15–8.30) | 0.81 |
Sperm concentration (×106/mL) | 78.75 [52.5–142] 106.78 (24–420) | 72 [41–92] 75.99 (1–250) | 0.0002 |
Sperm count (×106/ejaculate) | 319.30 [212.8–498] 405.96 (57–2100) | 262.45 [155.8–356.9] 293.49 (2.80–1425) | 0.0011 |
Progressive motility (PR, %) | 55 [45–80] 54.80 (35–80) | 45 [40–55] 46.28 (1–70) | < 0.0001 |
Normal forms (%) | 40.5 [34–48] 41.61 (25–68) | 25 [18–53] 23.98 (0–53) | < 0.0001 |
MAI | 1.50 [1.44–1.55] 1.48 (1.25–1.55) | 1.71 [1.64–1.80] 1.74 (1.38–1.80) | < 0.0001 |
80–110 kDa band intensity from gel 1D (arbitrary units) | 36,298 [21996–90,482] | 33,466 [16657–48,560] | 0.0367 |