Table 1.
Characteristics of studies enrolled.
| Study | Study design | Country | (Experiment/Control) N | Gender (male/female)/N | Age (years) | Tumor location | ||
|---|---|---|---|---|---|---|---|---|
| Experiment | Control | Experiment | Control | |||||
| Cao MF 2019 (11) | RCT (phase II) |
China | 29 (49)/30(51) | 40(68)/19(32) | 60.6 ± 7.1 | Stomach | ||
| Jiang Y 2019 (12) | RCT (phase II) |
China | 42(50)/42(50) | 24(29)/18(21) | 25(30)/17(20) | 53.14 ± 8.72 | 53.14 ± 8.72 | Stomach (fundus, body, and antrum) |
| He ZR 2017 (13) |
RCT (phase II) |
China | 25(50)/25(50) | 14(28)/11(22) | 13(26)/12(24) | 46.6 ± 4.5 | 47.7 ± 4.6 | Gastroesophageal junction and the lower and upper third of the stomach |
| Leong T 2017 (14) | RCT (phase III) |
Australia | 60(50)/60(50) | 45(37)/15(13) | 46(38)/14(12) | 58 ± 13 | 56 ± 13 | Gastroesophageal junction and the lower and upper third of the stomach |
| Stahl M 2017 (15, 16) | RCT (phase III) |
Germany | 60(51)/59(49) | 54(45)/6(5) | 54(45)/5(4) | Median age 60.6 |
Median age 56 |
Gastroesophageal junction |
| Zhang XT 2016 (17) |
RCT (phase II) |
China | 64 (51)/62(49) | 78(62)/48(38) | Median age 55 |
Median age 57 |
Stomach (fundus, body, and pylorus) | |
| Wang X 2016 (18) |
RCT (phase II) |
China | 22(51)/21(49) | – | – | – | – | Gastroesophageal junction and the stomach |
Data are expressed as n (%).