Table 2.

Performance of ATP red criteria in predicting 24-h disposition

	95% CI
	24-h mortality	24-h ICU admission	24-h overall admission
Sensitivity	96.2 (94.42-97.47)	98.53 (97.71-99.11)	60.64 (59.57-61.69)
Specificity	56.8 (55.92-57.63)	59.62 (58.76-60.49)	76.57 (75.42-77.68)
PPV	10.3 (10.09-10.54)	20.15 (19.79-20.51)	79.64 (78.81-80.46)
NPV	99.7 (99.49-99.76)	99.75 (99.60-99.84)	56.26 (55.51-57.01)
PLR	2.22 (2.17-2.28)	2.44 (2.39-2.50)	2.59 (2.46-2.72)
NLR	0.07 (0.05-0.10)	0.02 (0.02-0.21)	0.51 (0.50-0.53)
OR	32.84 (22.25-48.67)	98.70 (62.66-155.48)	5.03 (4.66-5.43)

PPV: Positive predictive value, NPV: Negative predictive value, PLR: Positive likelihood ratio, NLR: Negative likelihood ratio, OR: Odds ratio, CI: Confidence interval, ICU: Intensive care unit, ATP: All India Institute of Medical Sciences (AIIMS) Triage Protocol