Table 1 Demographic and clinical characteristics among unmatched and propensity score matched patients
| Â | Unmatched | Matched | ||||
|---|---|---|---|---|---|---|
PGT-A (n = 4,409) | Non-PGT-A (n = 56,171) | SMD | PGT-A (n = 4195) | Non-PGT-A (n = 10,140) | SMD | |
Female age at cycle start, mean (± SD), years | 38.16 (± 4.98) | 31.64 (± 5.20) | 1.310 | 38.13 (± 5.06) | 38.49 (± 4.70) | − 0.177 |
Male age at cycle start, mean (± SD), years | 40.23 (± 6.22) | 33.83 (± 6.06) | 1.028 | 40.18 (± 6.30) | 40.60 (± 5.81) | − 0.138 |
Female BMI, mean (± SD), kg/m2 | 22.20 (± 2.32) | 21.95 (± 2.66) | 0.106 | 22.20 (± 2.33) | 22.29 (± 2.38) | − 0.053 |
Basic AMH, mean (± SD), ng/ml | 3.04 (± 3.22) | 5.17 (± 4.54) | − 0.661 | 3.05 (± 3.24) | 2.88 (± 3.10) | 0.090 |
Number of oocytes retrieved, mean (SD) | 8.06 (± 6.56) | 10.84 (± 6.36) | − 0.425 | 8.05 (± 6.56) | 7.73 (± 6.29) | 0.090 |
Male current smoking, no. (%) |  |  | − 0.018 |  |  | 0.002 |
Yes | 1345 (30.5) | 18,153 (32.3) | Â | 1277 (30.4) | 3027 (29.9) | Â |
No | 3064 (69.5) | 38,018 (67.7) | Â | 2918 (69.6) | 7113 (70.1) | Â |
Intrauterine adhesion, no. (%) | Â | Â | 0.006 | Â | Â | 0.003 |
Yes | 600 (13.6) | 7307 (13.0) | Â | 558 (13.3) | 1169 (11.5) | Â |
No | 3809 (86.4) | 48,864 (87.0) | Â | 3637 (86.7) | 8971 (88.5) | Â |
Endometriosis, no. (%) |  |  | − 0.007 |  |  | 0.005 |
Yes | 391 (8.9) | 5387 (9.6) | Â | 369 (8.8) | 861 (8.5) | Â |
No | 4018 (91.1) | 50,784 (90.4) | Â | 3826 (91.2) | 9279 (91.5) | Â |
RSA, no. (%) | Â | Â | 0.239 | Â | Â | 0.060 |
Yes | 1134 (25.7) | 1002 (1.8) | Â | 924 (22.0) | 954 (9.4) | Â |
No | 3275 (74.3) | 55,169 (98.2) | Â | 3271 (78.0) | 9186 (90.6) | Â |
Severe male factor, no. (%) |  |  | − 0.025 |  |  | − 0.001 |
Yes | 575 (13.0) | 8724 (15.5) | Â | 551 (13.1) | 1364 (13.5) | Â |
No | 3834 (87.0) | 47,447 (84.5) | Â | 3644 (86.9) | 8776 (86.5) | Â |