Table 5.
Characteristic and metal contents in the semen depending on whether the transferred embryos achieve implantation or not
| Implantation | p-value | Total (N = 55) |
||
|---|---|---|---|---|
| No (N = 27) |
Yes (N = 28) |
|||
| Female | ||||
| Age (years) | 35.7 ± 3.17 | 32.6 ± 4.40 | 0.005 | 34.1 ± 4.10 |
| BMI (kg/m2) | 23.7 ± 3.17 | 23.8 ± 3.94 | 0.930 | 23.8 ± 3.55 |
| Male | ||||
| Age (years) | 39.5 ± 5.30 | 36.9 ± 5.67 | 0.078 | 38.2 ± 5.61 |
| BMI (kg/m2) | 25.3 ± 2.75 | 26.4 ± 3.77 | 0.229 | 25.8 ± 3.29 |
| Spermiogram | 0.898 | |||
| Normal | 13 (48.1) | 13 (46.4) | 26 (47.3) | |
| Pathologic | 14 (51.9) | 15 (53.6) | 29 (52.7) | |
| Sperm count | 0.785 | |||
| Normal | 17 (63.0) | 16 (57.1) | 33 (60.0) | |
| Pathologic | 10 (37.0) | 12 (42.9) | 22 (40.0) | |
| No. of embryo transfer | 1.93 ± 1.07 | 1.93 ± 1.15 | 0.993 | 1.93 ± 1.10 |
| Embryo transfer, n (%) | 0.580 | |||
| 1 | 13 (48) | 13 (47) | 26 (47) | |
| 2 | 6 (22) | 9 (32) | 15 (27) | |
| 3 | 5 (19) | 2 (7) | 7 (13) | |
| 4 or more | 3 (11) | 3 (14) | 7 (13) | |
| Metals | ||||
| Essential, n (%) | ||||
| Co | - | - | - | |
| Mo | - | - | - | |
| Cr | 2 (7.4) | - | 0.236 | 2 (3.6) |
| Cu | 26 (96.3) | 25 (89.3) | 0.611 | 51 (92.7) |
| Fe | 27 (100) | 26 (92.9) | 0.491 | 53 (96.4) |
| Zn | 27 (100) | 28 (100) | 55 (100) | |
| Mn | - | - | - | |
| Cu (mg/kg)* | 0.57 (0.34; 0.83) | 0.45 (0.36; 0.59) | 0.178 | 0.53 (0.35; 0.74) |
| Fe (mg/kg)* | 0.63 (0.38; 0.88) | 0.36 (0.31; 0.57) | 0.007 | 0.45 (0.33; 0.68) |
| Zn (mg/kg)* | 85.8 (40.1; 115.5) | 65.2 (44.3; 98.7) | 0.775 | 80.2 (42.4; 110.6) |
| No essential, n (%) | ||||
| Ba | - | - | - | |
| Al | 22 (81.5) | 19 (67.9) | 0.355 | 41 (74.5) |
| B | 3 (11.1) | 7 (25.0) | 0.295 | 10 (18.2) |
| Cd | 2 (7.4) | - | 0.236 | 2 (3.6) |
| Li | - | - | - | |
| Ni | 3 (11.1) | 1 (3.6) | 0.352 | 4 (7.3) |
| Pb | 13 (48.1) | 14 (50.0) | 0.891 | 27 (49.1) |
| Sr | 14 (51.9) | 16 (57.1) | 0.789 | 30 (54.5) |
| V | 20 (74.1) | 22 (78.6) | 0.758 | 42 (76.4) |
| Al (mg/kg)* | 0.46 (0.26; 8.79) | 0.30 (0; 0.41) | 0.024 | 0.34 (0; 0.62) |
| B (mg/kg)* | 0 (0; 0) | 0 (0; 0.24) | 0.211 | 0 (0; 0) |
| Ni (mg/kg)* | 0 (0; 0) | 0 (0; 0) | 0.262 | 0 (0; 0) |
| Pb (mg/kg)* | 0 (0; 0.04) | 0.01 (0; 0.04) | 0.914 | 0 (0; 0.04) |
| Sr (mg/kg)* | 0.06 (0; 0.09) | 0.07 (0; 0.15) | 0.358 | 0.06 (0; 0.11) |
| V (mg/kg)* | 0.41 (0; 0.68) | 0.45 (0.19; 0.78) | 0.446 | 0.43 (0.16; 0.74) |
| Macroelement, n (%) | ||||
| Mg | 23 (85.2) | 22 (78.6) | 0.729 | 45 (81.8) |
| Ca (mg/kg)* | 234.9 (179.1; 293.9) | 230.8 (177.9; 283.6) | 0.749 | 234.9 (179.1; 289.9) |
| K (mg/kg)* | 777.6 (635.4; 942.3) | 768.0 (640.8; 946.1) | 0.801 | 776.0 (636.7; 942.3) |
| Mg (mg/kg)* | 69.9 (43.8; 94.3) | 63.4 (42.4; 85.5) | 0.398 | 69.4 (43.8; 88.8) |
| Na (mg/kg)* | 2080.8 (1965.0; 2258.7) | 2263.4 (2097.1; 2350.6) | 0.027 | 2199.5 (1989.2; 2329.5) |
Data show mean ± standard deviation or frequency (percentage) except * median (P25; P75)
BMI body mass index