Table 1:
Features | All participants (n = 91) Mean ± SD/count (%) |
Normal Semen Quality (n = 59) Mean ± SD/count (%) |
Poor Semen Quality (n=32) Mean ± SD/count (%) |
Pvalue† |
---|---|---|---|---|
Age (years) | 36.2 ± 5.9 | 36.1 ± 6.2 | 36.4 ± 5.5 | 0.84 |
BMI (kg/m2) a | 29.9 ± 5.5 | 29.6 ± 5.3 | 30.4 ± 5.9 | 0.55 |
Race b | ||||
Hispanic white | 73 (80.2%) | 50 (90.1%) | 23 (82.1%) | 0.42 |
Others | 10 (11.0%) | 5 (9.1%) | 5 (17.9%) | |
| ||||
Semen parameters | 5th centile WHO references (n, %<WHO) | Median (Range) | Median (Range) | Pvalue |
| ||||
Concentration (106/mL) | 15 (8, 8.8) | 78.8 (23.0 – 667.5) | 30.9 (0.8 – 170.6) | 2.40×10−5 |
Total motility (%) | 40 (13, 14.3) | 67 (40.0 – 91.0) | 46.5 (5.0 – 87.0) | 2.50×10−6 |
Normal morphology (%) c | 4 (20, 22.0) | 9.2 (4.0 – 21.0) | 3.2 (0.5 – 10.5) | 2.60×10−9 |
Count (106/ejaculate) | 39 (9, 9.8) | 185.4 (54.0 – 1,117.0) | 99.8 (4.2 – 563.0) | 9.80×10−4 |
Semen volume (mL) | 1.5 (16, 17.6) | 2.9 (0.5 – 7.5) | 3.2 (0.7 – 6.5) | 0.12 |
Missing data:
BMI (n = 3);
race (n = 8);
normal morphology (n = 4);
Represents statistical comparison (Student’s t-test/Mann–Whitney U test) of parameters between normal (n = 59) semen quality vs poor (n = 32) semen quality groups. Stratification was based on poor semen quality in one of sperm concentration, morphology or motility.