Diagnostic Significance of Diffusion-Weighted MRI in Renal Cancer

Table 1

Characteristics of included studies in this pooled analysis.

First author	Year	Ethnicity	Number			Gender (F/M)	Age (years)	MRI machine type	QUADAS score
			Tumor	Benign	Normal
Zhang [27]	2013	Asians	45	12	20	31/13	52	GE 3.0 T	26
Goyal [26]	2013	Asians	40	20	0	26/10	46 (21~80)	Tesla 1.5 T	26
Yu [22]	2012	Asians	137	0	137	93/44	53 (30~81)	GE 3.0 T	28
Rheinheimer [38]	2012	Caucasians	28	0	30	17/9	62.0 ± 13.0	Tesla 1.5 T	22
Inci [25]	2012	Caucasians	42	0	30	59/46	55	Siemens 1.5 T	26
Tanaka [37]	2011	Asians	36	5	41	21/14	57 (38~78)	Philips 1.5 T	23
Razek [36]	2011	Africans	45	9	0	24/28	5~67	GE 1.5 T	26
Doğanay [14]	2011	Caucasians	32	35	50	25/33	53.0 ± 19.0	GE 1.5 T	25
Sandrasegaran [13]	2010	Caucasians	22	20	0	—	—	Siemens 1.5 T	22
Taouli [35]	2009	Caucasians	28	81	0	46/18	61 (24~85)	Siemens 1.5 T	24
Kim [34]	2009	Caucasians	26	38	0	—	—	Siemens 1.5 T	24
Kilickesmez [24]	2009	Caucasians	16	0	50	25/27	52	Siemens 1.5 T	20
				17	0
				10	0
				9	0
				11	0
				16	0
				6	0
Zhang [33]	2008	Caucasians	26	11	0				23
Manenti [18]	2008	Caucasians	27	0	10	16/11	62 (45~85)	Philips 3.0 T	21
Yoshikawa [20]	2006	Caucasians	28	19	0	—	—	Philips 1.5 T	20
			28	13	0	—	—	Philips 1.5 T
			26	19	0	—	—	Philips 1.5 T
			26	13	0	—	—	Philips 1.5 T
Squillaci [32]	2004	Caucasians	18	0	20	10/8	62 (29~85)	Philips 1.5 T	20

M: male; F: female; QUADAS: quality assessment of diagnostic accuracy studies.