Magnetic resonance cholangiography in assessing biliary anatomy in living donors: A meta-analysis

Table 1 Characteristics of included studies

Study	Country/years	No. of patients	Mean age	Study design	MRCP technique	Reference standard	QUADAS	TP	FP	FN	TN
Ayuso et al[9]	Spain/2004	25	NS	Prospective	MnDPDP-enhanced, MIP	IOC	12	15	0	1	9
Limanond et al[11]	United States/2004	26	37	Retrospective	T2 single-shot fast spin-echo, T2 HASTE	IOC	13	5	2	2	17
Kim et al[23]	Canada/2005	30	36	Prospective	T2 weighted SSFSE, Mn-DPDP	IOC	12	12	0	1	17
An et al[12]	South Korea/2006	24	29	Prospective	Gadobenate dimeglumine-enhanced T1-and T2-weighted, MIP	IOC	14	13	1	1	9
Sirvanci et al[25]	Turkey/2007	62	42	Retrospective	RARE, HASTE, 3D TSE	IOC	13	16	0	3	43
Song et al[26]	South Korea/2007	111	29	Prospective	Single-slab RARE or multislice HASTE	IOC	12	42	3	2	64
Basaran et al[19]	Turkey/2008	40	35	Prospective	T2-weighted PACE turbo spin-echo	IOC	12	13	3	0	24
Kashyap et al[22]	United States/2008	36	38	Retrospective	Thick and thin slab heavily T2 weighted	IOC	14	16	0	3	17
Artioli et al[27]	Italy/2010	32	38	Prospective	T2-weighted	Surgery	11	15	1	2	14
Kim et al[24]	South Korea/2010	52	33	Prospective	RARE, 3D SE T2-weighted sequences.	IOC	14	15	3	3	31
Hsu et al[21]	Taiwan/2011	203	32	Retrospective	RARE thin-slab	IOC	13	45	6	8	144
Chiang et al[20]	Taiwan/2012	228	30	Retrospective	T2-weighted GD-DTPA	IOC	13	55	7	9	157

SSFSE: Single shot fast spin echo; RARE: Rapid acquisition with relaxation enhancement; SE: Spin-echo; Mn-DPDP: Mangafodipir trisodium; GD-DTPA: Diethylenetri aminepentaacetic acid; MIP: Maximum intensity projection; PACE: Prospective acquisition correction; SSD: Shaded surface display; HASTE: Half-Fourier Acquisition Single-Shot Turbo Spin-Echo; QUADAS: Quality Assessment of Diagnostic Accuracy Studies.

Table 2 Quality assessment tool for diagnostic accuracy systematic review of quality criteria of included studies

	Ayuso et al[9]	Limanond et al[11]	Kim et al[23]	An et al[12]	Sirvanci et al[25]	Song et al[26]	Basaran et al[19]	Kashyap et al[22]	Artioli et al[27]	Kim et al[24]	Hsu et al[21]	Chiang et al[20]
Patient spectrum representative	Yes	NA	Yes	Yes	NA	Yes	Yes	Yes	NA	Yes	NA	NA
Selection criteria described	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Reference standard appropriate	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Time between tests appropriate	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Uniform verification by reference standard	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Same reference test used	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Reference standard independent	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Reference standard described adequately	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Blinding to reference standard results	NA	Yes	NA	Yes	Yes	NA	NA	Yes	NA	Yes	Yes	Yes
Blinding to index test results	NA	Yes	NA	Yes	Yes	NA	NA	Yes	NA	Yes	Yes	Yes
Appropriate clinical data available	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Uninterpretable data reported	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
Withdrawals explained	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes	Yes
No. of criteria met out of 14	12	13	13	14	13	12	12	14	11	14	13	13

NA: Not available.