Table 5 Performance of various cut-off levels of percentage changes in β-hCG from days 4 to 7 of methotrexate
From: Predictors and clinical features of methotrexate (MTX) therapy for ectopic pregnancy
Positive if less than or equal to | Sensitivity | 1-Specificity |
|---|---|---|
−0.6 | 0.2 | 0 |
−0.422 | 0.383 | 0.045 |
−0.374 | 0.458 | 0.136 |
−0.35 | 0.5 | 0.227 |
−0.247 | 0.725 | 0.273 |
−0.23 | 0.742 | 0.318 |
−0.139 | 0.85 | 0.364 |
−0.095 | 0.892 | 0.409 |
−0.071 | 0.9 | 0.5 |
−0.034 | 0.908 | 0.591 |
0.121 | 0.95 | 0.636 |
0.223 | 0.958 | 0.773 |
0.476 | 0.983 | 0.909 |
1.989 | 1 | 1 |