Table 3.

Detailed information of univariate analyzed studies shown in Fig. 3

Predictor	Study	n	OR	CI lower 95%	CI upper 95%	p value	Variance	Weight (%)
US with stone	Aleknaite et al. [28]	137	5.81	3.3	10.3	< 0.001	11.5	8.72
	Magalhaes et al. [18]	109	11.3	5.32	23.8	< 0.001	15.9	6.28
	Nárvaez Rivera et al. [14]	44	3.09	1.45	6.58	0.002	6.55	15.27
Acute cholangitis	Lee et al. [29]	184	1.09	0.76	1.55	0.626	6.08	16.44
	Magalhaes et al. [18]	36	6.48	1.93	21.8	0.001	13.8	7.26
	Nárvaez Rivera et al. [14]	37	2.71	1.22	6.01	0.012	6.12	16.33
	Sethi et al. [26]	73	1.85	1.01	3.412	0.048	7.07	14.14
Tbli > 4 mg/dL	Chisholm et al. [30]	366	7.97	3.06	20.8	< 0.01	87.5	1.14
	Nárvaez Rivera et al. [14]	151	1.25	0.76	2.07	0.442	9.87	10.14
	Lee et al. [29]	113	1.1	0.72	1.67	0.656	5.21	19.21
	Magalhaes et al. [18]	102	1.79	1.04	3.08	0.035	7.85	12.78
	Sethi et al. [26]	75	1.14	0.65	2.00	0.64	6.13	16.31
Tbli 1.8–4 mg/dL	Lee et al. [29]	158	0.86	0.59	1.24	0.434	5.67	17.63
	Sethi et al. [26]	129	1.69	1.03	2.75	0.037	8.07	12.39
	Magalhaes et al. [18]	84	3.15	1.63	6.08	0.001	9.47	10.56
	Nárvaez Rivera et al. [14]	66	0.89	0.5	1.56	0.773	5.56	17.98
CBD > 6 mm	Lee et al. [29]	368	3.03	2.12	4.30	< 0.001	12.0	8.35
	Chisholm et al. [30]	366	7.83	3.87	15.8	< 0.01	47.3	2.11
	Sethi et al. [26]	241	1.00	0.63	1.59	0.99	13.5	7.41
	Aleknaite et al. [28]	209	5.85	3.15	10.9	< 0.001	21.0	4.77
	Magalhaes et al. [18]	195	5.06	2.85	8.99	< 0.001	16.7	5.97
	Nárvaez Rivera et al. [14]	193	2.28	0.28	4.08	0.01	90.1	1.11
ALFT	Lee et al. [29]	451	0.55	0.36	0.83	0.005	20.5	4.88
	Sethi et al. [26]	291	2.12	1.12	4.01	0.021	30.8	3.36
	Nárvaez Rivera et al. [14]	254	1.30	0.08	21.60	1	518.1	0.19
	Magalhaes et al. [18]	231	2.43	1.20	4.90	0.01	29.8	3.25
Age > 55	Lee et al. [29]	351	1.61	1.15	2.26	0.005	10.4	9.59
	Sethi et al. [26]	234	1.45	0.89	2.37	0.138	14.7	6.81
	Magalhaes et al. [18]	197	2.37	1.36	4.15	0.002	16.0	6.27
	Nárvaez Rivera et al. [14]	81	1.70	0.99	2.94	0.059	6.25	16.0
Acute pancreatitis	Videhult et al. [17]	130	2.13	1.34	3.41	–	7.38	13.6
	Lee et al. [29]	107	0.58	0.37	0.89	0.014	5.36	18.6
	Sethi et al. [26]	75	0.72	0.42	1.23	0.222	5.64	17.7
	Aleknaite et al. [28]	63	0.42	0.24	0.73	0.002	5.07	19.7
	Magalhaes et al. [18]	63	0.58	0.32	1.03	0.063	5.60	17.9