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Table 2 General characteristics among men in infertile couples with normal and abnormal sperm survival test

From: Impact of metabolic syndrome on the viability of human spermatozoa: a cross-sectional descriptive study in men from infertile couples

Characteristics Total
(n = 195)
Sperm survival test P-valuea
Abnormal SST (n = 113) Normal SST (n = 82)  
Age (years) (mean ± SD) 34.73 ± 5.51 35.30 ± 5.65 33.95 ± 5.25 0.09
Infertility type [n (%)]
 Primary 128 (65.6%) 79 (69.9%) 49 (59.8%) 0.15
 Secondary 67 (34.4%) 34 (30.1%) 33 (40.2%)
BMI (kg/m2) (mean ± SD) 22.93 ± 2.96 23.24 ± 3.27 22.50 ± 2.42 0.47
  < 23 [n (%)] 102 (52.3%) 54 (52.9%) 48 (47.1%) 0.15
  ≥ 23 [n (%)] 93 (47.7%) 59 (63.4%) 34 (36.6%)
WC (cm) (mean ± SD) 82.55 ± 8.60 83.54 ± 8.91 81.18 ± 8.01 0.59
  < 90 [n (%)] 149 (76.4%) 79 (69.9%) 70 (83.3%) 0.01
  ≥ 90 [n (%)] 46 (23.6%) 34 (30.1%) 12 (16.7%)
WHR (mean ± SD) 0.87 ± 0.06 0.87 ± 0.06 0.86 ± 0.06 0.26
  ≤ 0.9 [n (%)] 142 (72.8%) 77 (54.2%) 65 (45.8%) 0.09
  > 0.9 [n (%)] 53 (27.2%) 36 (67.9%) 17 (32.1%)
Blood pressure (mean ± SD)
 SBP (mmHg) [n (%)] 112.64 ± 7.87 112.61 ± 8.69 112.68 ± 6.63 0.95
 DBP (mmHg) [n (%)] 71.33 ± 5.53 71.32 ± 5.99 71.34 ± 4.84 0.98
Lipid profile (mean ± SD)
 Cholesterol (mmol/L) 4.77 ± 0.92 4.77 ± 0.90 4.76 ± 0.95 0.91
 Triglycerides (mmol/L) 2.21 ± 1.30 2.35 ± 1.31 2.02 ± 1.27 0.09
 LDL-C (mmol/L) 3.22 ± 0.87 3.24 ± 0.86 3.20 ± 0.89 0.73
 HDL-C (mmol/L) 1.22 ± 0.31 1.20 ± 0.28 1.26 ± 0.34 0.22
Fasting glucose (mmol/L) (mean ± SD) 5.47 ± 0.88 5.54 ± 1.02 5.37 ± 0.63 0.16
Alcohol consumption [n (%)]
 Yes 45 (23.1%) 28 (62.2%) 17 (37.8%) 0.51
 No 150 (76.9%) 85 (56.7%) 65 (43.3%)
Smoking [n (%)]
 Yes 34 (17.4%) 23 (67.6%) 11 (32.4%) 0.21
 No 161 (82.6%) 90 (55.9%) 71 (44.1%)
Fresh semen analysis (mean ± SD)
 pH 7.08 ± 0.26 7.06 ± 0.23 7.11 ± 0.29 0.22
 Sexual abstinence (days) 4.20 ± 1.31 4.21 ± 1.33 4.18 ± 1.29 0.88
 Semen volume (ml) 1.84 ± 0.95 1.71 ± 0.88 2.02 ± 1.01 0.01
 Sperm count (×106/ml) 33.80 ± 12. 32.91 ± 15.37 35.01 ± 13.35 0.32
 Sperm vitality (%) 81.44 ± 7.63 80.39 ± 8.88 82.89 ± 5.20 0.06
 Progressive motility (%) 33.26 ± 10.84 32.64 ± 11.98 34.12 ± 9.04 0.33
 Normal sperm morphology (%) 3.89 ± 2.22 3.76 ± 2.18 4.06 ± 2.27 0.28
  1. BMI body mass index; DPB diastolic blood pressure; HDL-C high density lipoprotein cholesterol; LDL-C low density lipoprotein cholesterol; SBP systolic blood pressure; SST sperm survival test; WC waist circumference; WHR waist-to-hip ratio
  2. a Student’s t-test, Chi square test were used to compare Gaussian data and the Mann-Whitney U-test was used to compare non-Gaussian data. Values were expressed as mean ± SD and number (percentage)