Table 1.
Characteristics of included studies.
| Author | Year | Study type | Country | Groups | Number | Age(years) | Male/female (%) | BMI (kg/m2) | Prevalence of sarcopenia (%) | tumor type | Stage | NOS |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Choi et al. (23) | 2018 | Retrospective | South Korea | Sarcopenia | 74 | Mean 64.2 | 61/13 | Mean 22.4 | 39.4 | rectal cancer | II-III | 5 |
| Non-sarcopenia | 114 | Mean 59.5 | 56/58 | Mean 24.7 | II-III | |||||||
| Malietzis et al. (21) | 2016 | Prospective | UK | Sarcopenia | 485 | Median 69 | NA | NA | NA | colorectal cancer | I-IV | 6 |
| Non-sarcopenia | 320 | NA | NA | NA | I-IV | |||||||
| Nakanishi et al. (37) | 2018 | Retrospective | Japan | Sarcopenia | 298 | Mean66.5 | 188/110 | Mean21.0 | NA | colorectal cancer | I-IV | 6 |
| Non-sarcopenia | 196 | Mean65.4 | 110/86 | Mean24.1 | I-IV | |||||||
| Miyamoto et al. (20) | 2015 | Retrospective | Japan | Sarcopenia | 55 | Median 74.0 | 34/21 | Median 21.0 | NA | colorectal cancer | I-III | 6 |
| Non-sarcopenia | 165 | Median 68.0 | 101/64 | Median 23.3 | I-III | |||||||
| Sueda et al. (25) | 2018 | Retrospective | Japan | Sarcopenia | 105 | NA | 41/64 | NA | NA | colorectal cancer | I-III | 6 |
| Non-sarcopenia | 106 | NA | 93/13 | NA | I-III | |||||||
| Feliciano et al. (22) | 2017 | Retrospective | USA | Sarcopenia | 1133 | NA | NA | NA | NA | colorectal cancer | I-III | 5 |
| Non-sarcopenia | 1337 | NA | NA | NA | I-III | |||||||
| Park et al. (24) | 2018 | Retrospective | South Korea | Sarcopenia | 40 | NA | NA | NA | 38.4 | rectal cancer | III-IV | 5 |
| Non-sarcopenia | 64 | NA | NA | NA | III-IV | |||||||
| Takeda et al. (26) | 2018 | Retrospective | Japan | Sarcopenia | 37 | Mean65.0 | 26/11 | Mean 20.6 | 23.6 | rectal cancer | I-III | 6 |
| Non-sarcopenia | 107 | Mean60.0 | 76/31 | Mean 23.9 | I-III | |||||||
| Chung et al. (29) | 2019 | Retrospective | South Korea | Sarcopenia | 51 | NA | 38/13 | NA | NA | rectal cancer | I-III | 7 |
| Non-sarcopenia | 42 | NA | 22/20 | NA | I-III | |||||||
| Hopkins et al. (27) | 2019 | Retrospective | Canada | Sarcopenia | 266 | NA | 170/96 | NA | 50.4 | colorectal cancer | I-III | 5 |
| Non-sarcopenia | 702 | NA | 419/283 | NA | I-III | |||||||
| Bingmer et al. (28) | 2020 | Retrospective | USA | Sarcopenia | 16 | Mean62.8 | 9/7 | Mean 22.2 | 25 | rectal cancer | I-IV | 5 |
| Non-sarcopenia | 48 | Mean59.2 | 15/33 | Mean 28.6 | I-IV | |||||||
| Abe et al. (30) | 2022 | Retrospective | Japan | Sarcopenia | 55 | Mean66.0 | 37/18 | Mean 22.1 | 30.7 | rectal cancer | I-IV | 8 |
| Non-sarcopenia | 179 | Mean64.0 | 114/65 | Mean 22.9 | I-IV | |||||||
| Horie et al. (31) | 2022 | Retrospective | Japan | Sarcopenia | 22 | Mean64.5 | 13/9 | Mean 21.8 | NA | rectal cancer | I-III | 6 |
| Non-sarcopenia | 24 | Mean66.8 | 14/10 | Mean 24.9 | I-III | |||||||
| Lee et al. (32) | 2021 | Retrospective | Korea | Sarcopenia | 1155 | NA | NA | NA | NA | colorectal cancer | I-III | 7 |
| Non-sarcopenia | 1178 | NA | NA | NA | I-III | |||||||
| Abe et al. (33) | 2023 | Retrospective | Japan | Sarcopenia | 306 | Mean67.0 | 221/85 | Mean 21.3 | NA | rectal cancer | I-IV | 8 |
| Non-sarcopenia | 402 | Mean62.0 | 202/200 | Mean 22.9 | I-IV | |||||||
| Giani et al. (34) | 2022 | Prospective | Italy | Sarcopenia | 34 | NA | NA | NA | 26.8 | rectal cancer | I-IV | 7 |
| Non-sarcopenia | 93 | NA | NA | NA | I-IV | |||||||
| Portale et al. (35) | 2023 | Retrospective | Italy | Sarcopenia | 30 | Mean76.0 | 19/11 | Mean 24.7 | 18.4 | rectal cancer | I-III | 7 |
| Non-sarcopenia | 135 | Mean68.0 | 95/40 | Mean 25.7 | I-III | |||||||
| Gartrell et al. (12) | 2023 | Retrospective | Australia | Sarcopenia | 44 | NA | 31/13 | NA | 33.3 | rectal cancer | II-III | 7 |
| Non-sarcopenia | 88 | NA | 62/26 | NA | II-III | |||||||
| Xie et al. (36) | 2023 | Retrospective | China | Sarcopenia | 271 | Mean64.6 | 162/109 | Mean 18.0 | 18.8 | colorectal cancer | I-IV | 8 |
| Non-sarcopenia | 1170 | Mean56.6 | 742/428 | Mean 22.8 | I-IV | |||||||
| Han et al. (38) | 2020 | Retrospective | Korea | Sarcopenia | 944 | NA | 641/303 | NA | 68.2 | rectal cancer | 0-III | 6 |
| Non-sarcopenia | 440 | NA | 247/193 | NA | 0-III |
BMI, body mass index; NOS, Newcastle-Ottawa Scale; NA, not applicable.