Apparent diffusion coefficient measurement by diffusion weighted magnetic resonance imaging is a useful tool in differentiating renal tumors

Table 1 Baseline characteristics of the sixteen included studies

First author	Year	Country	Ethnicity	Age (years)	Gender (F/M)	MRI machine type	b value (s/mm²)	b value (s/mm²)
Sevcenco S [21]	2014	Austria	Caucasians	64(21–85)	-	Siemens	500/1000	71
Zhang YL [29]	2013	China	Asians	52	41/23	GE	500	121
Agnello F [30]	2013	France	Caucasians	61.6(27–88)	19/16	Philips	1000	47
Yu X [31]	2012	China	Asians	53 (30–81)	93/44	GE	800	274
Rheinheimer S [32]	2012	Germany	Caucasians	60.4 (36–83)	37/19	Siemens	800	54
Inci E [33]	2012	Turkey	Asians	53.5	74/61	Siemens	500/1000	88
Zhang YL-a [34]	2011	China	Asians	7-79	-	Philips	500	97
Zhang YL-c [34]	2011	China	Asians	7-79	-	Philips	800	97
Zhang YL-d [34]	2011	China	Asians	7-79	-	Philips	1000	97
Zhang J [35]	2011	China	Asians	30-76	-	GE	800	40
Tanaka H[14]	2011	Japan	Asians	57 (38 ~ 78)	21/14	Philips	800	82
Razek AA [10]	2011	Egypt	Africans	5-67	24/28	GE	800	54
Doganay S-b [36]	2011	Turkey	Asians	53(1–76)	25/33	GE	600	117
Doganay S-d [36]	2011	Turkey	Asians	53(1–76)	25/33	GE	1000	117
Kim S [37]	2009	USA	Caucasians	-	-	Siemens	400/800	64
Kilickesmez O [38]	2009	Turkey	Asians	45.6	46/56	Siemens	500/1000	66
Manenti G [39]	2008	Italy	Caucasians	58.8(30–85)	22/15	Philips	500	37
Yoshikawa T [40]	2006	Japan	Asians	61.9	122/78	Philips	600	20
Squillaci E [41]	2004	Italy	Caucasians	55.7(29–85)	20/18	Philips	500	38

F = female; M = male; MRI = magnetic resonance imaging; GE = general electric; a, b = 500; b, b = 600; c, b = 800; d, b =1000.

ISSN: 1471-2407