1. Prediction of resolution.

Study	True positive	False positive	False negative	True negative	Sensitivity	Specificity	Timing	LR+	LR_
Chung 1996	31	1	2	11	94	92	4	11.273	0.066
Chen 1999	74	0	8	34	90	100	8	na	0.097
Joyce 1992	112	0	2	13	98	100	4	na	0.017
Biondo 2003	39	0	0	5	100	100	24	na	na
Onoue 2002	90	2	1	4	99	67	24	2.446	0.036
Brochwicz‐Lewinski	16	0	0	8	100	100	4	na	na
Pooled	362	3	13	75	97	96		25.10	0.036