[Retracted] Effects of Laparoscopic versus Open Surgery for Advanced Gastric Cancer after Neoadjuvant Chemotherapy: A Meta-Analysis

Table 1

The baseline characteristics of the included studies.

Author,year	Country	Studytype	Operation	Sample	Gender(M/F)	Age (year)	Staging	Outcomes	Qualityassessment
Fujisaki, 2020	Japan	N-RCT	Laparoscopic surgery	20	13/7	71.5 ± 8.8	II-III	①②③④⑥⑦	8
			Open surgery	29	22/7	67 ± 8.5
Hu, 2019	China	RCT	Laparoscopic surgery	23	10/13	61.4 ± 8.4	II-III	①②③④⑤⑦	Unclear risk
			Open surgery	27	14/13	64.1 ± 7.5
Hu, 2022	China	N-RCT	Laparoscopic surgery	34	18/16	NA	II-III	①②③④⑤⑥⑦	8
			Open surgery	32	15/17	NA
Khaled, 2021	Egypt	N-RCT	Laparoscopic surgery	41	20/21	62.29 ± 4.5	II-III	①②③④⑦⑧	8
			Open surgery	43	26/17	64 ± 10.7
Li, 2016	China	N-RCT	Laparoscopic surgery	20	13/7	53.5 ± 9.2	I–III	①②③④⑤⑥⑦	8
			Open surgery	24	21/3	56 ± 9.2
Li, 2019	China	RCT	Laparoscopic surgery	45	31/14	59 ± 3.25	I–III	①②③④⑤⑥⑦	Low risk
			Open surgery	50	35/15	61 ± 2
Sheng, 2020	China	N-RCT	Laparoscopic surgery	45	23/22	62.12 ± 2.23	II-III	①②③④⑤⑦	7
			Open surgery	45	24/21	62.71 ± 2.16
Wang, 2014	China	N-RCT	Laparoscopic surgery	68	39/26	52.9 ± 15.1	II-III	①②③④⑤⑦	7
			Open surgery	52	31/21	51.6 ± 8.2
Wang, 2020	China	N-RCT	Laparoscopic surgery	49	34/15	54.4 ± 10.9	II-III	①②③④⑦⑧	8
			Open surgery	221	154/67	54.9 ± 11.3
Wang, 2021	China	N-RCT	Laparoscopic surgery	23	18/5	60.09 ± 9.69	I–III	①②③④⑤⑥	8
			Open surgery	46	36/10	59.74 ± 8.65
Xi, 2019	China	N-RCT	Laparoscopic surgery	45	36/9	57.1 ± 6.6	II-III	①②③④⑤⑦⑧	9
			Open surgery	45	33/12	59.6 ± 7.5