Table 1.

Characteristics of included studies

Ref. No.	Patients, n	Evaluation time, h	Study design	TP	FN	TN	FP	Cutoff point
9	310	<24	cohort	21	11	178	100	2
10	303	<24	cohort	22	9	231	41	2
14	50	<24	cohort	19	5	23	3	2
11	72	<24	cohort	23	8	28	13	2
12	497	<24	cohort	62	39	329	67	2
13	155	<24	cohort	24	3	64	64	3
15	299	<24	cohort	10	12	274	3	3
16	51	<24	cohort	21	8	13	9	3
17	185	<24	cohort	15	25	134	11	3