Efficacy of hybrid minimally invasive esophagectomy vs open esophagectomy for esophageal cancer: A meta-analysis

Table 1 Baseline characteristics of the eligible studies

Ref.	Time	Design	Area	Male/total		Age		Weight (kg/BMI)
				HMIE	OE	HMIE	OE	HMIE	OE
Yun et al[11]	2017	Retrospective	South Korea	51/53	61/62	66 48-83	68 45-79	NA	NA
Scarpa et al[14]	2015	Retrospective	Italy	25/34	27/34	62 52-70	64 56-70	NA	NA
Briez et al[13]	2012	Retrospective	France	110/140	117/140	NA	NA	NA	NA
Mariette et al[8]	2019	RCT	France	88/103	87/104	59 23-75	62 41-78	26 16-37	25 18-35
Glatz et al[15]	2017	Retrospective	Germany	49/60	52/60	61 42-92	61 44-84	27 19-40	26 17-38
Rinieri et al[17]	2016	Retrospective	France	59/70	54/70	61.1 ± 9	61 ± 9	NA	NA
Paireder et al[9]	2018	RCT	Austria	10/14	10/12	64.5 40-75	62.5 49-77	24.08 18.07-41.45	26.96 17.53-35.26
Rolff et al[22]	2017	Retrospective	Denmark	50/56	125/160	66 39-86	65 28-88	25.8 18.8-31.2	26.6 15.6-43.7
Parameswaran et al[10]	2013	Prospective	UnitedKingdom	23/31	15/19	67 48-79	64 51-77	NA	NA
Smithers et al[12]	2007	Prospective	Australia	247/309	104/114	64 27-85	62.5 29-81	80 41-132	78.5 40-119
Lee et al[16]	2011	Prospective	Taiwan	43/44	61/64	59.7 44-78	56.58 30-90	NA	NA
Findlay et al[19]	2016	Retrospective	United States	84/95	69/87	67.76	65.54	NA	NA
Safranek et al[20]	2010	Prospective	United Kingdom	28/34	38/46	63 44-76	60 44-77	NA	NA
Shiraishi et al[21]	2006	Retrospective	Japan	32/38	31/37	62.1 ± 9	66.5 ± 9.3	NA	NA
Kubo et al[23]	2014	Retrospective	Japan	34/42	60/74	65.4 ± 9	62.2 ± 7.2	NA	NA
Yanasoot et al[24]	2017	Retrospective	Thailand	13/16	46/54	58.19± 7.78	61.02± 8.59	NA	NA
Khan et al[18]	2017	Retrospective	Pakistan	17/31	52/90	48.7 ± 13.1	56.5 ± 10.7	22.3 15-30.8	21.6 15-35

NA: Not available; HMIE: Hybrid minimally invasive esophagectomy; OE: Open esophagectomy.