Table 2.

Comparison of oncological outcomes between laparoscopic distal pancreatectomy and open distal pancreatectomy for pancreatic cancer

Author, year	Research type	Study classification (laparoscopic/robotic vs. laparotomy)	Number of lymph nodes detected (n)	Negative margin rate (%)	Median survival time (months)
Kooby, 2010 [22]	Retrospective	23 vs. 189	13.8 ± 8.4 vs. 12.5 ± 8.5 A	74 vs. 73	16 vs. 16
Magge, 2013 [23]	Retrospective	28 vs. 34	11 (8–20) vs. 12 (6–19) B	86 vs. 88	19
Rehman, 2014 [28]	Retrospective	8 vs. 14	16 (1–27) vs. 14 (0–26) C	88 vs. 86	33 vs. 52
Shin, 2015 [25]	Retrospective	70 vs. 80	12 (1–34) vs. 10 (1–64) C	75.7 vs. 83.8	33.4 vs. 29.1
Lee, 2015 [10]	Retrospective	23 vs. 249	11 ± 7.6 vs. 15 ± 8.7 A	100 vs. 88	N/A
Sharpe, 2015 [29]	Retrospective	144 vs. 625	14.9 ± 10.0 vs. 13.3 ± 9.9 A	87 vs. 78	N/A
Stauffer, 2016 [26]	Retrospective	44 vs. 28	25.9 (5–48) vs. 12.7 (1–45) B**	95.5 vs. 82.1	26.6 vs. 26.4
Bauman, 2017 [24]	Retrospective	33 vs. 46	14.5 ± 1.1 vs. 17.5 ± 1.2 A	77 vs. 87	18 vs. 15
Raoof, 2018 [27]	Propensity score-matched	563 vs. 563	12 (6–18·5) vs. 22 (14–31) B**	85.1 vs. 81.5	N/A
Van Hilst, 2019 [30]	Propensity score-matched	340 vs. 340	14 (8–22) vs. 22 (14–31) B*	67 vs. 58	28 vs. 31

N/A not available

A. Results expressed as mean ± standard deviation

B. Results expressed as median (interquartile range)

C. Results expressed as median (range)

*P = 0.05; **P = 0.0001