Peripheral Saturation and Perfusion Index on the First Day of Life Play a Role in Early Discharge of Healthy Term Newborns

Table 4

Four modalities of screening in relation to noncongenital heart disease.

Predictive factors	Sensibility (%)	Specificity (%)	PPV (%)	NPP (%)	LR+	Posttest positive probability (%)	LR⁻	Posttest negative probability (%)	χ2 test	DF	p value	OR (95% CI)
Screening 1	0	100	0	98.7	0	0	1	99	—	—	—	—
Screening 2	14.8	99.9	66.7	98.8	148	67	0.85	98	192, 094	1		170, 783 (29,783–979,298)
Screening 3	14.8	99.8	50	98.8	74	50	0.85	98	142, 228	1		85, 304 (20,098–362,059)
Screening 4	7.4	99.8	40	98.7	37	34	0.93	99	56, 017	1		52, 347 (8,379–327,031)
Screenings 2 + 3 + 4	33	99.6	56	99	82.5	53	0.67	98	11, 550	1		65, 744 (10,413–415,097)

DF = degree freedom; OR = odds ratio; PPV = positive predictive value; NPP = negative predictive value.