Table 1 Characteristics of included studies
Author (year) | Country | Study type | Sample size | Average age(years) | Female(%) | Average preop weight(kg/m²) | Average post operative Weight(kg/m²) | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
LSG | LRYGB | LSG | LRYGB | LSG | LRYGB | LSG | LRYGB | LSG | LRYGB | |||
Zhang (2014) | China | RCT | 32 | 32 | 29.3 ± 9.8 | 32.2 ± 9.2 | 62.5 | 56.25 | NR | NR | NR | NR |
ignat(2016) | France | RCT | 55 | 45 | 35.1 ± 9.7 | 35.2 ± 9.4 | 78.2 | 86.7 | 128.6 ± 18.3 | 129.5 ± 21.2 | NR | NR |
Peterli(2018 | Switzerland | RCT | 107 | 110 | 43.0 ± 11 | 42.1 ± 11.2 | 72 | 71.8 | 123.5 ± 19.4 | 124.8 ± 19.8 | NR | NR |
Schauer(2017) | USA | RCT | 47 | 49 | 49 ± 8 | 49 ± 8 | 66 | 66 | 100.4 ± 16.8 | 106.8 ± 14.9 | 81.9 ± 15.0 | 83.4 ± 15.3 |
salminen (2018) | Finland | RCT | 98 | 95 | 48.5 ± 9.6 | 48.4 ± 9.3 | 71.9 | 67.2 | 130.1 ± 21.5 | 134.9 ± 22.5 | NR | NR |
Casajoana (2019) | Spain | RCT | 15 | 15 | 49.2 ± 9.1 | 51.0 ± 7.7 | 66.7 | 53.3 | 102 ± 10.8 | 103 ± 10.8 | 84.4 ± 17.0 | 74.7 ± 9.9 |
Laurenius(2022) | Sweden | RCT | 15 | 23 | 47 ± 11 | 49 ± 9 | 46 | 50 | 118.9 ± 19.6 | 119.3 ± 15.2 | 101.1 ± 16.1 | 91.9 ± 12.8 |
Murphy(2022) | New Zealand | RCT | 58 | 56 | 45.5 ± 6.4 | 46.6 ± 6.7 | 45 | 59 | 126.7 ± 24.5 | 123.4 ± 21.3 | 103.3 ± 16.8 | 89.8 ± 18.1 |
Leyba (2014) | Venezuela | Prospective cohort | 27 | 47 | 34.6 ± 9.2 | 38 ± 9.9 | 83.3 | 80 | NR | NR | NR | NR |
lee(2015) | China Tai Wan | Prospective cohort | 116 | 218 | 36.0 ± 9.1 | 36.1 ± 9.3 | 74.6 | 73 | NR | NR | NR | NR |
Perrone (2016) | Italy | Prospective cohort | 162 | 142 | 41.8 ± 4.6 | 43.8 ± 4.6 | 60.5 | 78.9 | NR | NR | NR | NR |
Dogan(2016) | The Netherlands | Retrospective cohort | 245 | 245 | 39.7 ± 10.0 | 41.2 ± 9.7 | 82 | 82 | NR | NR | NR | NR |
Aridi 2018 | Lebanon | Retrospective cohort | 400 | 175 | 36.4 ± 12.7 | 41.9 ± 10.3 | 60 | 46.3 | 120.1 ± 23.8 | 130.3 ± 27.0 | NR | NR |
Castro 2020 | Spain | Retrospective cohort | 83 | 152 | 43.5 ± 10.2 | 44.1 ± 11.6 | 75.9 | 78.9 | 117.4 ± 25.4 | 115.1 ± 24.1 | NR | NR |
Calvo(2020) | Spain | Retrospective cohort | 104 | 122 | 44.3 ± 9.9 | 42.1 ± 10.0 | 67.3 | 77.4 | NR | NR | NR | NR |
Level(2021) | Venezuela | Prospective cohort | 63 | 70 | 38 ± 11 | 36 ± 8 | 77.8 | 87.1 | NR | NR | NR | NR |
Soong(2021) | China Tai Wan | Retrospective cohort | 99 | 32 | 33.0 ± 10.0 | 30.5 ± 9.6 | 34.7 | 51.6 | NR | NR | NR | NR |
Belluzzi(2023) | USA | Retrospective cohort | 62 | 41 | 72.2 ± 2.2 | 72.1 ± 2.7 | 70.7 | 67.7 | NR | NR | NR | NR |