Table 1. Characteristics of included studies.

First author and reference	Recruitment	Country	Primary end point	Number of patients, ORC/ RARC	Male sex, ORC/ RARC	Age, median/ mean, ORC/ RARC	IC patients, ORC/ RARC	NB patients, ORC/ RARC	Match factors
Nix et al. 2010 [16]	April 2008- Jan 2009	USA	Lymph node yield	20/ 21	17/ 14	69.2/ 67.4	14/ 14	6/ 7	1,2,3,4,7,8
Parekh et al. 2013 [14]	July 2009- June 2011	USA	Feasibility study	20/ 20	16/ 18	64.5/ 69.5	NA	NA	1,2,3,4,5,6, 7
Bochner et al. 2015 [17]	March 2010- March 2013	USA	Perioperative complication	58/ 60	42/ 51	65.0/ 66.0	23/ 27	35/ 33	1,2,3,4,5,6,7,8
Khan et al. 2016 [15]	March 2009- July 2012	UK	Perioperative outcomes	20/ 20	18/ 15	66.6/ 68.6	17/ 18	3/ 2	1,2,3,4,5,6,7,8

1 = age, 2 = gender, 3 = BMI, 4 = ASA, 5 = previous abdominal surgery, 6 = neoadjuvant chemotherapy, 7 = clinical stage, 8 = diversion type, ORC: open radical cystectomy, RARC: robotic assisted radical cystectomy, IC: ileal conduit, NB: neobladder