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Table 1 Comparison of semen parameters and sperm DFI between fertile and infertile groups

From: Predictive value of sperm deoxyribonucleic acid (DNA) fragmentation index in male infertility

  Fertile (N = 36) Infertile (N = 78) p
Semen analysis a
 Abstinence (days) 7 7  
 Vol (ml) 3.8 (2.8–3.6) 3.0 (2.1–3.4) 0.261
 Con (x106/ml) 49.0 (27.3–96.3) 15.3 (7.8–57.5) <0.001
 PR + NP (%) 53.9 (45.1–64.9) 40.6 (24.7–60.1) <0.001
 PR (%) 46.7 (37.3–60.8) 33.4 (26.2–34.1) <0.001
 Morph (%) 24.5 (19.0–50.5) 11.0 (3.0–22.0) <0.001
 Total count (x106) 151.1 (86.5–540.0) 45.6 (25.0–302.0) <0.001
Sperm DFI (%)a 19.9 (15.6–24.4) 29.9 (26.6–34.3) <0.001
  1. Vol semen volume, Con sperm concentration, PR progressive motility, NP non-progressive motility, Morph morphology
  2. a Numeric data with abnormal distribution were presented by median (Q1-Q3) value