Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Discriminative power of the nomogram for failure to collect oocytes in POSEIDON Groups 3 and 4. (a) shows the receiver operating curve of the training cohort. The area under the curve was 0.868 (95% CI 0.835–0.902). (b) shows the receiver operating curve of the validation cohort. The area under the curve was 0.860 (95% CI 0.823–0.897).
