Table 2.
The cutoff values to distinguish different clinical outcomes
| Reproductive outcomes | Cutoff | AUC (95% CI) | P | Sensitivity | Specificity | PPV | NPV |
|---|---|---|---|---|---|---|---|
| Implantation present/absent | 89.6 | 0.996 (0.995, 0.997) | < 0.001 | 0.99 | 0.97 | 97.3 (3533/3631) | 98.4 (3226/3278) |
| BP/CP | 241.1 | 0.972 (0.963, 0.980) | < 0.001 | 0.93 | 0.93 | 99.0 (3319/3352) | 61.3 (423/690) |
| APO present/absent | 585.9 | 0.726(0.702, 0.749) | < 0.001 | 0.75 | 0.61 | 90.1 (2225/2470) | 34.6 (386/1115) |
| Singleton/twins | 981.1 | 0.774 (0.754, 0.794) | < 0.001 | 0.71 | 0.70 | 48.8 (484/992) | 85.6 (1196/1397) |
AUC area under the receiver operating characteristic curve, PPV positive predictive value, NPV negative predictive value