| Table 3. Binary logistic regression analysis of factors affecting the Clinical Pregnancy in RIF | ||||
| Parameter | β | Wald test | p-value | OR (IC) |
| Endometrial Biopsy | -1.365 | 4.044 | 0.044 | 0.255 (0.68-0.996) |
| NK/Li | -2.467 | 10.403 | 0.001 | 0.085 (0.19-0.380) |
| Regression Constant | 1.766 | 17.312 | 0.000 | |