Table 4.
Clinicopathological parameter | No. of cohorts | Model | OR (95% CI) | P-value | Heterogeneity test |
|
---|---|---|---|---|---|---|
I2(%) | P-value | |||||
Lymph node metastasis (yes vs no) | 6 | Fixed | 0.66(0.47,0.94) | 0.020 | 0.8 | 0.411 |
TNM stage (III–IV vs I–II) | 7 | Fixed | 0.62(0.48,0.80) | <0.001 | 0 | 0.839 |
Vascular invasion (yes vs no) | 4 | Fixed | 0.79(0.52,1.20) | 0.271 | 0 | 0.999 |
Histological grade (III vs I–II) | 4 | Fixed | 1.26(0.90,1.76) | 0.177 | 41.0 | 0.165 |