Table 3 Logistic model for predicting clinical pregnancy
Variable | B | S.E. | Wald | df | Sig. | Exp(B) | 95% CI for Exp(B) | |
|---|---|---|---|---|---|---|---|---|
Lower | Upper | |||||||
Age | −0.021 | 0.012 | 2.963 | 1 | 0.085 | 0.979 | 0.957 | 1.003 |
Type of infertility | −0.242 | 0.128 | 3.586 | 1 | 0.058 | 0.785 | 0.611 | 1.009 |
No. of early cycles | 0.020 | 0.059 | 0.119 | 1 | 0.731 | 1.021 | 0.908 | 1.147 |
Protocol of FET | / | / | 5.072 | 3 | 0.167 | / | / | / |
Protocol of FET(1) | 0.481 | 0.252 | 3.654 | 1 | 0.056 | 1.618 | 0.988 | 2.651 |
Protocol of FET(2) | −0.063 | 0.140 | 0.203 | 1 | 0.652 | 0.939 | 0.713 | 1.236 |
Protocol of FET(3) | 0.073 | 0.317 | 0.053 | 1 | 0.817 | 1.076 | 0.578 | 2.004 |
Endometrial thickness | 0.134 | 0.039 | 11.904 | 1 | 0.001 | 1.143 | 1.059 | 1.233 |
Endometrial pattern | / | / | 0.683 | 2 | 0.711 | / | / | / |
Endometrial pattern(1) | 0.152 | 0.261 | 0.340 | 1 | 0.560 | 1.164 | 0.698 | 1.942 |
Endometrial pattern(2) | 0.043 | 0.244 | 0.031 | 1 | 0.859 | 1.044 | 0.648 | 1.683 |
No. of blastocyst transferred | −0.189 | 0.132 | 2.040 | 1 | 0.153 | 0.828 | 0.639 | 1.073 |
Blastocoele expansion | 0.262 | 0.091 | 8.253 | 1 | 0.004 | 1.300 | 1.087 | 1.555 |
ICM grade | / | / | 0.315 | 2 | 0.854 | / | / | / |
ICM grade(1) | 0.158 | 0.300 | 0.279 | 1 | 0.597 | 1.172 | 0.651 | 2.108 |
ICM grade(2) | 0.134 | 0.253 | 0.282 | 1 | 0.595 | 1.144 | 0.697 | 1.878 |
TE grade | / | / | 2.682 | 2 | 0.262 | / | / | / |
TE grade(1) | 0.324 | 0.246 | 1.733 | 1 | 0.188 | 1.383 | 0.853 | 2.242 |
TE grade(2) | 0.315 | 0.195 | 2.608 | 1 | 0.106 | 1.371 | 0.935 | 2.011 |
Constant | −2.165 | 0.837 | 6.682 | 1 | 0.010 | 0.115 | / | / |