Table 2.
Demographics and clinical characteristics of included studies
| Outcomes | Studies | No. of patients | WMD or OR | 95% CI | p-value | Heterogeneity | |||
|---|---|---|---|---|---|---|---|---|---|
| UR/CC | Chi2 | df | p-value | I2 (%) | |||||
| Age(years) | (8) | 304/454 | 0.78 | [-1.07,2.62] | 0.41 | 7.16 | 7 | 0.41 | 2 |
| Gender(male) | (11) | 536/617 | 0.79 | [0.60,1.04] | 0.10 | 4.90 | 9 | 0.84 | 0 |
| BMIa( kg/m2) | (2) | 69/65 | -0.05 | [-1.39,1.29] | 0.94 | 0.89 | 1 | 0.34 | 0 |
| Cirrhosis(yes) | (7) | 463/584 | 1.05 | [0.79,1.41] | 0.73 | 5.02 | 5 | 0.41 | 0 |
| Major Hepatectomyb(yes) | (12) | 613/767 | 1.08 | [0.85,1.38] | 0.53 | 19.97 | 10 | 0.03 | 50 |
| Malignant（yes） | (8) | 606/669 | 1.01 | [0.71,1.45] | 0.95 | 6.30 | 7 | 0.51 | 0 |
aBMI Body mass index
bMajor Hepatectomy(≥3 segments hepatectomy)