| Variables | Unstandardized Coefficients | Standardized Coefficients | t | Sig. | |
| B | Std. Error | Beta | |||
| (Constant) | −0.514 | 3.465 |
| −0.148 | 0.882 |
| 盆底PH | 1.087 | 0.596 | 0.202 | 1.824 | 0.071 |
| EC值 | −0.159 | 0.083 | −0.213 | −1.923 | 0.058 |