Long term oncological outcome of laparoscopic techniques in pancreatic cancer

Table 1 Core information on distal pancreatic resection in pancreatic cancer patients

Ref.	No. of patients reported	Study	Median survival (mo)
			Open	Laparoscopic
Van Hilst et al[16], 2017	680	Comparative, 34 centers (propensity score matching) retrospective	28	31
Mitchem et al[12], 2012	47	Non comparative, single center retrospective	26	NA
Sahakyan et al[17], 2017	207	Non comparative, two centers retrospective	NA	32
Shin et al[18], 2015	150	Comparative, single center (propensity score matching)	29	33
		retrospective
Grossman et al[40], 2016	78	Non comparative, single center retrospective	25	NA

NA: Not applicable.