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. Author manuscript; available in PMC: 2023 Dec 21.
Published before final editing as: Arch Dis Child Fetal Neonatal Ed. 2022 Jun 21:fetalneonatal-2021-323573. doi: 10.1136/archdischild-2021-323573

Table 2.

Multinomial Regression Model Prediction C-statistics with the Addition of Individual Variables for Postnatal Days 1, 3, 7, 14, and 28*

Day 1 Day 3 Day 7 Day 14 Day 28
Variable C statistic Variable C statistic Variable C statistic Variable C statistic Variable C statistic
Birth weight 0.629 Respiratory support 0.629 Respiratory support 0.654 Respiratory support 0.669 Respiratory support 0.709
Respiratory support 0.655 Birth weight 0.664 Birth weight 0.674 FIO2 0.688 FIO2 0.728
Gestational age 0.660 FIO2 0.678 FIO2 0.686 Birth weight 0.694 Birth weight 0.731
FIO2 0.668 Gestational age 0.682 Male 0.690 Male 0.696 Surgical NEC 0.737
Male 0.672 Male 0.686 Gestational age 0.692 Surgical NEC 0.699 Male 0.738
Antenatal steroids 0.674 Gestational age 0.702 Gestational age 0.741
*

The C-statistic for each row corresponds to the model with the variable on that row and the variables above that row.

Definition of abbreviations: FIO2 = fraction of inspired oxygen; NEC = necrotizing enterocolitis