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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Fertil Steril. 2021 Jul 12;116(5):1372–1380. doi: 10.1016/j.fertnstert.2021.06.024

Figure 1a:

Figure 1a:

Receiver operating characteristic (ROC) curve for expanded comorbidity index in predicting SMM excluding transfusion-only cases (AUC=0.66). Assessed using validation set of births, n = 23,525.