Effects of reconstruction techniques after proximal gastrectomy: a systematic review and meta-analysis

Table 1 Basic characteristics of included studies

Authors	Nationality	year	Design	Groups	Number of patients
wright et al. [23]	Scotland	1987	RS	JI	30
Kameyama et al. [19]	Japan	2004	RC	JI/JPI	13/59
Senmaru et al. [24]	Japan	1999	RC	JI/JPI	12/12
Isobe et al. [25]	Japan	2014	RC	EG/JI/JPI	66/23/12
kazuhiro et al. [26]	Japan	1998	RC	EG/JI	11/14
Adachi et al. [27]	Japan	1999	RC	JI	16/14
kondoh et al. [28]	Japan	2006	RS	EG	10
Yasuda et al. [29]	Japan	2015	RC	EG/JI	25/21
zhao et al. [21]	China	2014	RS	JI	35
Ahn et al. [30]	Japan	2014	RS	DTR	43
Kim et al. [31]	Korea	2016	RS	DTR	27
Zhang et al. [22]	China	2018	RS	EG	62
Kamitaka et al. [32]	Japan	2017	RS	DTR	10
Nomura et al. [17]	Japan	2019	PS	DTR/JI	15/15
Sugiyama et al. [33]	Japan	2018	RS	DTR	10
Tokunaga et al. [34]	Japan	2008	RS	EG/JI	49/58
Ohashi et al. [35]	Japan	2015	RS	JI	65
Tanaka et al. [32]	Japan	2017	RS	DTR	10
Aburatani et al. [36]	Japan	2017	RS	DTR/EG	19/22
Yang et al. [37]	Korea	2016	RS	DTR	16
Nakmura et al. [38]	Japan	2014	RS	EG/JI/JPI	65/25/12
Hong et al. [39]	China	2015	RS	DTR	21
Katai et al. [14]	Japan	2010	RS	JI	128
Masuzawa [40].	Japan	2013	RS	EG/JI	49/32
Takayama [41].	Japan	2018	RS	JI	32
Kano et al. [42]	Japan	2019	RS	DFR	51
Koruda et al. [20]	Japan	2019	RS	DFR	464
Omori et al. [43]	Japan	2017	RS	DFR	32
Saeki et al. [44]	Japan	2018	RS	DFR	13

ISSN: 1477-7819