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Table 4 Comparison of semen parameters between group I (male partner age < 40 years) and group II (male partner ≥ years)

From: Effect of paternal age on treatment outcomes in couples undergoing assisted reproductive technology for non-male factor infertility: a retrospective analysis of 809 cycles

 

Group I (< 40 years) (reference group) (n = 556)

Group II (≥ 40 years) (n = 214)

P value

Median (IQR)

Median (IQR)

Volume, ml*

2.7 (1.31)

2.6 (1.36)

0.02#

Concentration, million/ml

61 (33 to 101)

70 (38 to 101)

0.06

Motility, %

53 (44 to 57)

52 (42 to 56)

0.21

Morphology, %

5 (3 to 5)

5 (3 to 5)

0.51

  1. IQR interquartile range, ml milliliter
  2. *Mean (standard deviation)
  3. #Statistically significant