Diagnostic value of magnetic resonance cholangiopancreatography in choledocholithiasis

Table 1 Summarized details of magnetic resonance cholangiopancreatography detections and overall methodological quality of included studies

Ref.	Year	Patients, n	Assay method	Assay system	Assay results				Quality score
					TP	FP	FN	TN	STARD	QUADAS
Hochwald et al[42]	1998	48	MRCP, ERCP	1.5 T machine	19	3	1	25	15	11
Boraschi et al[43]	1999	278	MRCP, ERCP	1.5 T MR unit	71	5	5	197	16	11
de Lédinghen et al[44]	1999	32	EUS, MRCP, ERCP	1 T system	10	6	0	16	20	13
Lomas et al[45]	1999	69	MRCP, ERCP	1.5 T MR system	9	2	0	58	13	9
Varghese et al[46]	1999	100	MRCP, ERCP	1.5 GE unit	28	1	2	69	17	12
Stiris et al[47]	2000	50	MRCP, ERCP	1.0 T	28	1	4	17	17	12
Taylor et al[48]	2002	129	MRCP, ERCP	1.5 T MR system	45	9	1	74	18	12
Topal et al[49]	2003	69	MRCP, ERCP	1.5 T MR system	18	0	1	50	14	10
Kejriwal et al[50]	2004	81	MRCP, ERCP	Vision 1.5T MRI	20	1	2	58	13	10
Simone et al[51]	2004	65	MRCP, ERCP, IOC	1.0 T gyroscan NT	13	6	8	38	13	9
Dalton et al[52]	2005	69	MRCP, ERCP, IOC	1.5 T MR unit	16	2	1	50	11	7
Hallal et al[53]	2005	27	MRCP, ERCP, IOC	Unknown	4	2	0	21	14	10
Kondo et al[54]	2005	28	EUS, MRCP, HCT-C	1.5 T MR system	21	1	3	3	18	13
Moon et al[55]	2005	29	IDUS, MRCP, ERCP	1.5T MR system	16	1	4	8	17	11
Okada et al[56]	2005	40	CTCh, MRCP	1.5 T system	12	3	3	22	13	9
Shanmugam et al[57]	2005	221	MRCP, ERCP, EUS	0.5 T MRI	97	19	2	103	18	14
De Waele et al[58]	2007	104	MRCP, ERCP, EUS	1.5 T unit	19	2	4	79	16	11
Schmidt et al[59]	2007	57	MRCP, ERCP, EUS	1 T magnet	17	2	5	33	15	10
Hekimoglu et al[60]	2008	269	MRCP, ERCP	1.5 T unit	16	0	2	251	19	14
Nandalur et al[61]	2008	95	MRCP, ERCP	1.5 T system	21	1	7	66	18	13
Norero et al[62]	2008	125	MRCP, ERCP, CT	1.5 T MR system	83	10	3	29	15	11
Srinivasa et al[63]	2010	117	MRCP, ERCP, IOC	Siemens Vision 1.5 T	15	2	8	102	16	12
Bilgin et al[64]	2012	108	MRCP, ERCP, IOC	1.5 T MR scanner	28	3	6	71	16	11
Zhang et al[65]	2012	70	MRCP, MDCT	1.5 T MR system	19	2	1	48	18	13
Mandelia et al[66]	2013	30	MRCP, USG	1.5 T MR system	19	1	1	9	17	12

CT: Computed tomography; CTCh: Cholangiography computed tomography; ERCP: Endoscopic retrograde cholangiopancreatography; EUS: Endoscopic ultrasonography; FN: False-negative; FP: False-positive; HCT-C: Helical-computed-tomographic cholangiography; IDUS: Intraductal ultrasonography; IOC: Intraoperative cholangiography; MDCT: Multidetector-row computed tomography; MR: Magnetic resonance; MRCP: Magnetic resonance cholangiopancreatography; QUADAS: Quality assessment for studies of diagnostic accuracy; STARD: Standards for reporting diagnostic accuracy; TN: True-negative; TP: True-positive; USG: Ultrasonography.