Table 1.
Baseline characteristics per artificial insemination cycles with husband or donor semen stratified by vaccination exposed or not.
| Variables | AIH cycles | AID cycles | ||||
|---|---|---|---|---|---|---|
| Exposed group | Unexposed group | P-value | Exposed group | Unexposed group | P-value | |
| No. of cycles | 335 | 390 | 115 | 160 | ||
| Female age, mean (SD), y | 31.2 (3.8) | 31.2 (3.6) | 0.95 | 30.5 (2.4) | 29.4 (3.8) | 0.02 |
| BMI, mean (SD), kg/m2 | 21.9 (3.3) | 22.0 (3.4) | 0.74 | 22.0 (2.7) | 21.2 (2.8) | 0.09 |
| Type of infertility, n (%) | 0.87 | 0.09 | ||||
| Primary infertility | 218 (65.9) | 252 (65.3) | 102 (88.7) | 130 (81.3) | ||
| Secondary infertility | 113 (34.1) | 134 (34.7) | 13 (11.3) | 30 (18.8) | ||
| Infertility duration, median, median (IQR), y | 3 (2–4) | 3 (2–4) | 0.53 | 4 (2–5) | 4 (2–5) | 0.67 |
| Treatment cycle type, n (%) | 0.55 | 0.08 | ||||
| Natural | 169 (50.4) | 188 (48.2) | 73 (66.1) | 89 (55.6) | ||
| COS | 166 (49.6) | 202 (51.8) | 39 (33.9) | 71 (44.4) | ||
| IUI indication, n (%) | 0.06 | 0.63 | ||||
| Unexplained/other | 146 (44.6) | 199 (51.6) | 4(3.5) | 4 (2.5) | ||
| Male factors | 185 (55.4) | 187 (48.4) | 111 (96.5) | 156 (97.5) | ||
| Cycle number, n (%) | 0.06 | 0.08 | ||||
| First | 197 (58.8) | 253 (64.9) | 56 (48.7) | 60 (37.5) | ||
| Second | 117 (34.9) | 127 (32.6) | 40 (34.8) | 49 (30.6) | ||
| Third or more | 21 (6.3) | 10 (2.6) | 19 (16.6) | 51 (31.8) | ||
| Male partner vaccination, n (%) | 326 (98.2) | 197 (51.6) | <0.01 | |||