. Author manuscript; available in PMC: 2017 Oct 19.

Published in final edited form as: Am J Perinatol. 2015 Jun 17;33(1):34–39. doi: 10.1055/s-0035-1555122

Table 2.

Sensitivity, specificity, positive predictive value, and negative predictive value of variables previously identified as predictors of the need for home oxygen therapy

Variable	PPV (%)	Specificity (%)	Sensitivity (%)	NPV (%)
No antenatal betamethasone	36	81	22	69
No or < 24 h antenatal betamethasone	29	70	26	67
Small for gestational age	71	96	22	74
RSS > 2 at 24 h	52	78	50	77
Endotracheal intubation at 24 h	41	41	85	85
FIO₂ > 0.30 at 24 h	64	92	30	74
Necrotizing enterocolitis	35	89	13	68
PDA ligation	58	92	24	72
Brochopulmonary dysplasia	89	95	89	95

Abbreviations: PDA, patent ductus arterious; PPV, positive predictive value; NPV, negative predictive value; RSS, respiratory severity score.

Note: Definitions (see ►Table 1).