Table 2.
Threshold effect analysis of BFD on clinical pregnancy rates
| ECL | Group1: < 32 | Group2: > = 32 |
|---|---|---|
| Model I | ||
| One line effect | 0.991 (0.941, 1.042) 0.7172 | 0.9974 (0.9500, 1.0472) 0.9174 |
| Model II | ||
| Turning point(K) | 11 | 15 |
| < K effect 1 | 1.135 (1.014, 1.270) 0.0273 | 1.0399 (0.9655, 1.1201) 0.3016 |
| > K effect 2 | 0.909 (0.838, 0.987) 0.0223 | 0.9245 (0.8256, 1.0354) 0.1745 |
Results in table: β (95%CI) P value/OR (95%CI) P value
Outcome: clinical pregnancy rates
Exposure: BFD
Adjust for: age; ART way; FET; type of infertility; duration of infertility; BMI; AMH; main reason of infertility; endometrial thickness