There is an error in the annotation of Table I in this paper; the labels for men with high and low sperm DNA fragmentation were switched so that it appears the vast majority of men have abnormal results, when this is not the case.
Table 1.
Characteristics | BMI |
Total | |||
---|---|---|---|---|---|
<25 (n = 83) | 25 to <30 (n = 191) | 30 to <35 (n = 122) | ≥35 (n = 72) | ||
Age (years) | |||||
≤24 | 0 (0.0) | 6 (3.1) | 8 (6.6) | 1 (1.4) | 15 (3.2) |
25–29 | 29 (34.9) | 55 (28.8) | 41 (33.6) | 26 (36.1) | 151 (32.3) |
30–34 | 31 (37.4) | 70 (36.7) | 41 (33.6) | 31 (43.1) | 173 (37.0) |
≥35 | 23 (27.7) | 60 (31.4) | 32 (26.2) | 14 (19.4) | 129 (27.6) |
Mean (±SD) | 32 (4.8) | 32 (4.8) | 31.4 (4.9) | 31.6 (4.8) | 31.8 (4.8) |
Self-reported race | |||||
White | 67 (80.7) | 157 (82.2) | 97 (79.5) | 56 (77.8) | 377 (80.6) |
Others | 16 (19.3) | 34 (17.8) | 25 (20.5) | 16 (22.2) | 91 (19.4) |
College education | |||||
Yes | 77 (92.8) | 180 (94.2) | 109 (89.3) | 62 (86.1) | 428 (91.5) |
No | 6 (7.2) | 11 (5.8) | 13 (10.7) | 10 (13.9) | 40 (8.6) |
Prior paternity | |||||
Yes | 39 (47.0) | 85 (44.5) | 68 (55.7) | 32 (44.4) | 224 (47.9) |
No | 44 (53.0) | 104 (54.5) | 54 (44.3) | 40 (55.6) | 242 (51.7) |
Waist circumference (cm) | |||||
<93.9 | 76 (91.6) | 72 (37.70) | 4 (3.3) | 2 (2.8) | 154 (32.9) |
94.0–101.5 | 5 (6.0) | 94 (49.2) | 28 (23.0) | 0 (0.0) | 127 (27.1) |
≥101.6 | 0 (0.0) | 25 (13.1) | 89 (73.0) | 69 (95.8) | 183 (39.1) |
Mean (±SD) | 86.1 (5.1) | 95.9 (8.3) | 105.4 (6.9) | 122.6 (14.5) | 100.8 (14.2) |
Vigorous physical activity (weekly) | |||||
<1 | 52 (62.7) | 102 (53.4) | 72 (59.0) | 44 (61.1) | 270 (57.7) |
≥1 | 31 (37.4) | 89 (46.6) | 50 (41.0) | 28 (38.9) | 198 (42.3) |
Mean (±SD) | 1.1 (1.6) | 1.5 (1.8) | 1.4 (1.8) | 1.5 (2.1) | 1.4 (1.8) |
Serum cotinine (ng/mL) | |||||
≤9.99 (nonsmoker) | 66 (79.5) | 158 (82.7) | 89 (73.0) | 53 (73.6) | 366 (78.2) |
>10.0 (active smoker) | 17 (20.5) | 31 (16.2) | 29 (23.8) | 19 (26.4) | 96 (20.5) |
Volume (mL) | |||||
<1.5 | 4 (4.8) | 22 (11.5) | 11 (9.0) | 11 (15.3) | 48 (10.3) |
≥1.5 | 79 (95.2) | 169 (88.5) | 111 (91.0) | 61 (84.7) | 420 (89.7) |
Median (IQR) | 3.5 (2.4–4.8) | 3.4 (2.1–4.7) | 3.2 (2.3–4.1) | 2.8 (1.8–3.9) | 3.2 (2.2–4.4) |
Concentration (million/mL) | |||||
<15 | 3 (3.6) | 16 (8.4) | 10 (8.2) | 11 (15.3) | 40 (8.6) |
≥15 | 80 (96.4) | 175 (91.6) | 112 (91.8) | 61 (84.7) | 428 (91.4) |
Median (IQR) | 55.3 (34.4–94.1) | 63.2 (38.0–92.5) | 62.4 (31.9–100.4) | 60.0 (25.5–100.4) | 60.8 (34.7–94.7) |
Total sperm count (million) | |||||
<39 | 3 (3.6) | 17 (8.9) | 9 (7.4) | 13 (18.1) | 42 (9.0) |
≥39 | 80 (96.4) | 174 (91.1) | 113 (92.6) | 59 (81.9) | 426 (91.0) |
Median (IQR) | 198.5 (112.8–336.9) | 190.6 (100.3–338.1) | 186.5 (99.1–305.1) | 141.7 (58.4–286.5) | 186.0 (97.8–319.3) |
Vitality (%) | |||||
<58 | 10 (12.1) | 37 (19.4) | 17 (13.9) | 7 (9.7) | 71 (15.2) |
≥58 | 73 (87.9) | 154 (80.6) | 105 (86.1) | 63 (87.5) | 395 (84.4) |
Median (IQR) | 70.7 (64.8–75.5) | 67.6 (60.1–73.4) | 66.6 (60.3–73.2) | 70.2 (61.7–75.9) | 68.5 (61.7–73.9) |
Morphology (% WHO normal) | |||||
<30 | 36 (43.4) | 88 (46.1) | 51 (41.8) | 33 (45.8) | 208 (44.4) |
≥30 | 44 (53.0) | 90 (47.1) | 66 (54.1) | 28 (38.9) | 228 (48.7) |
Median (IQR) | 31.8 (21.0–39.3) | 30.0 (22.0–39.0) | 32.5 (23.5–40.0) | 29.5 (21.0–37.0) | 30.5 (21.8–39.0) |
Morphology (% strict criteria) | |||||
<4 | 2 (2.4) | 8 (4.2) | 4 (3.3) | 4 (5.6) | 18 (3.9) |
≥4 | 78 (94.0) | 170 (89.0) | 113 (92.6) | 57 (79.2) | 418 (89.3) |
Median (IQR) | 21.3 (12.5–27.5) | 19.3 (12.5–25.5) | 20.5 (14.5–29.0) | 17.0 (12.5–24.0) | 20.0 (13.0–27.0) |
DNA (% fragmentation index) | |||||
≥30 | 6 (7.2) | 20 (10.5) | 7 (5.7) | 1 (1.4) | 34 (7.3) |
<30 | 76 (91.6) | 171 (89.5) | 112 (91.8) | 66 (91.7) | 425 (90.8) |
Median (IQR) | 11.9 (9.1–18.3) | 13.1 (8.6–20.2) | 12.8 (8.2–18.5) | 11.5 (8.1–19.3) | 12.4 (8.5–19.3) |
Note: Five men found to be azoospermic on both samples were excluded.
IQR, interquartile range.
The corrected Table is reproduced below. The Author apologises for this error.