Table 1 Baseline characteristics before and after propensity score matching (PSM) between different treatment protocols
Variables | Original cohort | P | PSM cohort | P | ||||
|---|---|---|---|---|---|---|---|---|
Group A (n = 168) | Group B (n = 114) | Standardized difference | Group A (n = 71) | Group B (n = 71) | Standardized difference | |||
Age (years) | 33.62 ± 4.00 | 31.67 ± 3.64 | 0.51 | < 0.001 | 32.30 ± 4.07 | 32.21 ± 3.85 | 0.02 | 0.892 |
BMI (kg/m2) | 22.24 ± 3.12 | 22.85 ± 3.26 | 0.19 | 0.115 | 22.23 ± 2.79 | 22.18 ± 3.05 | 0.02 | 0.913 |
Basal AFC (n) | 7.50 (5.00–10.00) | 12.00 (9.00–16.00) | 1.13 | < 0.001 | 10.00 (7.00–13.00) | 10.00 (7.00–12.00) | 0.02 | 0.687 |
Infertility duration (years) | 3.00 (2.00–4.00) | 3.00 (2.00–5.00) | 0.02 | 0.881 | 2.00 (2.00–4.00) | 3.00 (2.00–5.00) | 0.02 | 0.847 |
Infertility type (n, %) | 0.19 | 0.120 | 0.06 | 0.839 | ||||
Primary | 77 (45.83%) | 63 (55.26%) | 39 (54.93%) | 37 (52.11%) | ||||
Secondary | 91 (54.17%) | 51 (44.74%) | 32 (45.07%) | 34 (47.89%) | ||||
Basal uterine volume (cm3) | 97.65(69.65–141.68) | 72.58(52.32–109.96) | – | 0.002 | 97.97 (71.85–133.77) | 71.57 (50.61–124.65) | – | 0.023 |
Co-occurring with endometriosis (n, %) | 55 (32.74%) | 27 (23.68%) | – | 0.100 | 29 (40.85%) | 22 (30.99%) | – | 0.230 |