| AUC | 95% CI | P value |
---|---|---|---|
Low gestational age | 0.83 | 0.76-0.89 | <0.001 |
SNAP | 0.78 | 0.70-0.85 | <0.001 |
Surfactant use | 0.72 | 0.64-0.80 | <0.001 |
Apnea of prematurity | 0.59 | 0.50-0.69 | 0.050 |
Patent ductus arteriosus | 0.57 | 0.47-0.66 | 0.174 |
SNAP, combined with gestational age | 0.88 | 0.84-0.94 | <0.001 |
SNAP, combined with surfactant use | 0.81 | 0.75-0.88 | <0.001 |
SNAP, combined with gestational age and surfactant use | 0.90 | 0.85-0.95 | <0.001 |
Combination of 5 risk factorsa | 0.92 | 0.87-0.96 | <0.001 |
P value (comparison of the difference between AUCs) | |||
p = 0.352 (between SNAP and gestational age) | |||
p = 0.178 (between SNAP combined with gestational age and gestational age alone) | |||
p = 0.023 (between SNAP combined with gestational age and SNAP alone) | |||
p = 0.026 (between combination of 5 risk factors and gestational age alone) | |||
P = 0.002 (between combination of 5 risk factors and SNAP alone) | |||
p = 0.362 (between combination of 5 risk factors and SNAP combined with gestational age) |