Category | Variable | Item | Total | Sperm morphology | |||||
Small tapering head defect | Oval head | Double amorphous head | Midpiece defect | Tail defect | Immature form | ||||
Mean (±sd) | Mean (±sd) | Mean (±sd) | Mean (±sd) | Mean (±sd) | Mean (±sd) | ||||
Normal sperm count ×106/ml | Age | <30 | 4 | 27.5 (5.0) | 50.0 (8.1) | 7.5 (5.0) | 5.0 (0.0) | 5.0 (0.0) | 5.0 (0.0) |
30 - 39 | 153 | 30.4 (7.8) | 48.2 (9.0) | 6.2 (6.9) | 5.4 (2.6) | 5.1 (0.6) | 5.1 (0.8) | ||
40 - 49 | 224 | 30.9 (8.3) | 47.1 (8.9) | 6.2 (4.6) | 5.5 (2.3) | 5.0 (0.6) | 5.2 (1.5) | ||
50 - 59 | 66 | 30.6 (7.0) | 46.4 (9.0) | 6.3 (3.9) | 5.8 (2.6) | 5.0 (0.0) | 5.4 (2.6) | ||
≥60 | 6 | 34.2 (4.9) | 43.3 (8.2) | 7.5 (6.1) | 5.0 (0.0) | 5.0 (0.0) | 5.0 (0.0) | ||
BMI | <18.5 | 1 | 40.0 (0.0) | 40.0 (0.0) | 5.0 (0.0) | 5.0 (0.0) | 5.0 (0.0) | 5.0 (0.0) | |
18.5 - 24.9 | 147 | 30.2 (7.3) | 47.9 (8.6) | 6.4 (5.5) | 5.4(1.8) | 5.0 (0.7) | 5.3 (1.9) | ||
25.0 - 29.9 | 234 | 31.1 (8.1) | 46.9 (9.1) | 6.3 (5.0) | 5.6 (2.4) | 5.0 (0.5) | 5.2 (1.5) | ||
≥30 | 71 | 30.6 (8.4) | 47.9 (9.2) | 5.8 (3.7) | 5.8 (3.3) | 5.0 (0.0) | 5.0 (0.0) | ||
Oligospermia | Age | <30 | 7 | 24.3 (7.9) | 48.6 (9.0) | 11.4 (9.4) | 5.0 (0.0) | 5.7 (1.9) | 5.0 (0.0) |
30 - 39 | 110 | 34.1 (9.7) | 40.7 (10.6) | 8.1 (7.7) | 7.0 (6.2) | 5.1 (1.1) | 5.3 (2.1) | ||
40 - 49 | 172 | 31.0 (8.8) | 42.5 (11.4) | 9.4 (9.7) | 6.2 (3.8) | 5.1 (1.1) | 5.7 (5.1) | ||
50 - 59 | 56 | 29.9 (7.9) | 44.4 (10.3) | 8.3 (6.9) | 6.6 (4.4) | 5.4 (1.3) | 5.4 (2.4) | ||
≥60 | 4 | 27.5 (9.6) | 45.0 (10.0) | 8.7 (7.5) | 8.7 (4.8) | 6.2 (2.5) | 3.7 (2.5) | ||
BMI | <18.5 | 3 | 30.0 (10.0) | 50.0 (10.0) | 5.0 (0.0) | 5.0 (0.0) | 5.0 (0.0) | 5.0 (0.0) | |
18.5 - 24.9 | 98 | 33.3 (8.4) | 42.7 (9.5) | 7.5 (7.0) | 6.1 (3.9) | 5.1 (0.8) | 5.3 (2.4) | ||
25.0 - 29.9 | 174 | 30.4 (9.4) | 42.1 (11.8) | 9.9 (10.0) | 6.7 (4.8) | 5.3 (1.5) | 5.8 (5.3) | ||
≥30 | 74 | 32.4 (9.0) | 42.3 (10.9) | 8.4 (7.2) | 6.5 (5.6) | 5.1 (0.8) | 5.1 (0.6) | ||
Oligospermia | 349 | 32.1 (9.1) | 43.0 (10.7) | 8.2 (8.1) | 6.3 (4.3) | 5.1 (1.1) | 5.4 (3.5) | ||
Normal sperm count | 453 | 29.9 (7.4) | 47.8 (8.9) | 6.4 (5.0) | 5.6 (2.5) | 5.0 (0.6) | 5.2 (1.7) | ||
t-test (P-value) | 3.96 (0.00001) | -7.31 (0.00001) | 4.20 (0.00001) | 3.12 (0.0009) | 1.81 (0.04) | 0.81 (0.21) |