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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
  1. Data on semen parameters are quoted as the median [IQR] and the mean (range)
  2. MAI multiple anomaly index, n number