Systematic review and meta-analysis of randomised trials of perioperative outcomes comparing robot-assisted versus open radical cystectomy

Table 1 Study characteristics

Publication	Country	Design	LOE	Case		Age (mean or median)		Conversion	Matching^a	Neobladder		Urinary diversion method
Publication	Country	Design	LOE	RARC	ORC	RARC	ORC	Conversion	Matching^a	RARC	ORC	Urinary diversion method
Nix 2009	USA	RCT	2b	21	20	67.4	69.2	0	1,2,3,4,7,8	7	6	Extracorporeal
Parekh2012	USA	RCT	2b	20	20	69.5	64.5	0	1,2,3,4,6	NA	NA	NA
Bochner 2014	USA	RCT	2b	60	58	66	65	0	1,2,3,4,6,7,8	33	32	Extracorporeal
Khan 2015	UK	RCT	2b	20	20	68.6	66.6	1^b	1,2,3,4,6,7,8	2	3	Extracorporeal

RARC robot-assisted radical cystectomy, ORC open radical cystectomy, LOE level of evidence, RCT randomized controlled trial, NA data not available
^aMatching variables: 1 = age, 2 = gender, 3 = BMI, 4 = ASA, 5 = previous abdominal/pelvis surgery history, 6 = neoadjuvant chemotherapy, 7 = clinical stage, 8 = urinary diversion type
^bdue to equipment failure

ISSN: 1471-2490