| Variables | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | |
| B | Std. Error | Beta | |||
| (Constant) | 2.821E | 0.233 |
| 0.121 | 0.904 |
| 盆底PH | 2.821E | 0.040 | 0.228 | 2.156 | 0.034 |
| EC值 | 8.638E | 0.006 | −0.294 | −2.775 | 0.007 |