Table 1. Characteristics of the included studies.

					Population Demographics
		Sample Size				Recipient Age		CIT (hours)Mean (range)		WIT (min)Mean (range)
References	Institute	MP	CS	Study periods	Donor Age	MP	CS	MP	CS
Ina Jochmans (2010) [12]	Eurotransplant Multicenter	82	82	2005–2007	43(17–67)	49(24–73)	52(24–77)	15.0(4.3–28.9)	15.9(8.6–46.6)	16(6–38)
Watson (2010) [13]	United Kingdom Multicenter	45	45	2006–2007	45.6±14.6	50.3±14.2	48.6±13.9	13.9(6.7–24.2)	14.3(7.0–30.1)	15(4–35)
van der Vliet (2001) [17]	The Netherlands Multicenter	35	36	N/A	36.6±2.7	N/A	N/A	25.0±1.0	23.0±1.3	28.4 (4–47)
Matsuno (1994) [18]	Japan	13	13	N/A	50.1	38.5±10.1	41.0±7.9	11.9±6.2	6.08±2.93	0
	Totals:	175	176

MP, Machine Perfusion; CS, Static Cold Storage; CIT, Cold Ischemic Time; WIT, Warm Ischemic Time; N/A, non-available.