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Table 1 Seminal quality of fertile and infertile Indian men

From: Decline in seminal quality in Indian men over the last 37 years

Variables Fertile Infertile Total p value (Fertile vs. Infertile)
n Mean ± SD, Range Median n Mean ± SD, Range Median n Mean ± SD, Range Median
Semen volume (ml) 53 2.88 ± 0.77
(1.16–4.70)
2.90
22 3.07 ± 1.27
(1.50–7.60)
2.81
75 2.94 ± 0.94
(1.16–7.60)
2.85
0.431
Sperm concentration (million/ml) 112 81.08 ± 29.21
(22.00–175.00)
76.23
59 37.94 ± 26.41
(1.60–113.50)
32.16
171 66.20 ± 34.90
(1.60–175.00)
68.00
< 0.001
Total motility (%) 89 66.37 ± 10.95
(36.70–90.00)
66.80
44 40.22 ± 13.76
(7.50–82.66)
39.85
133 57.71 ± 17.15
(7.50–90.00)
58.60
< 0.001
Rapid linear progressive motility (%) 30 52.64 ± 15.78
(9.27–74.10)
57.02
21 26.79 ± 15.47
(1.40–51.14)
32.00
51 42.00 ± 20.13
(1.40–74.10)
41.20
< 0.001
Normal morphology (%) 62 56.68 ± 20.23
(17.00–98.00)
53.13
35 36.41 ± 21.66
(4.69–97.50)
30.81
97 49.37 ± 22.85
(4.69–98.00)
49.90
< 0.001
Viability (%) 30 72.63 ± 8.31
(54.90–90.81)
73.25
14 55.25 ± 11.99
(31.00–81.33)
55.33
44 67.10 ± 12.54
(31.00–90.81)
67.98
< 0.001
  1. Data were expressed as n (number of studies/data sets), Mean ± SD (standard deviation), range (min-max) and median. Fertile and infertile groups were compared by independent Student’s t test