Table 2.
Characteristics of each cohort from eligible studies (n = 236,460).
| Study ID, NOS, country details | Age (yr, mean ± SD) | Male (n) | Tumor location (n) | Albumin level (mg/dL) | 30-d mortality rate (n) | SSI | Sepsis | Thrombotic events (n) | Wound events (n) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right | Left | Others | No | HA | No | HA | No | HA | No | HA | No | HA | ||||
| Lai 2010, 7, China | 62.5 ± 13.6 | 1968 | 1449 | 2283 | - | - | 17 | 28 | 57 | 33 | ||||||
| Hu 2019, 7, US | 66.2 ± 13.8 | 13,897 | - | - | - | - | 248 | 196 | 1713 | 543 | 715 | 245 | 474 | 253 | 259 | 85 |
| Egenvall 2018, 8, Sweden | 68.8 ± 10.9 | 229 | 121 | 80 | 180 | - | - | - | - | - | - | - | - | - | - | - |
| González-Trejo 2017, 8, US | 59.1 ± 14.9 | 782 | 96 | 203 | 1166 | 3.42 ± 0.59 | - | - | - | - | - | - | - | - | - | - |
| Haskins 2017, 7, US | 68 ± 2.7 | 2585 | - | - | - | 3.95 ± 0.51 | 35 | 19 | - | - | 127 | 36 | 63 | 17 | 381 | 89 |
| Chiang 2015, 8, China | - | - | - | - | - | - | ||||||||||
| Larson 2020, 7, US | - | 40,278 | - | - | - | - | 711 | 310 | 780 | 7209 | 2882 | 503 | 1063 | 200 | 91 | 723 |
HA = hypoalbuminemia, No = normal, NOS = newcastle ottawa scale, SD = standard deviation, SSI = surgical site infection, US = United States.