Table 3.
Clinicopathologic parameters | No. of studies | No. of patients | OR | 95% CL | I 2(%) | P | Model |
---|---|---|---|---|---|---|---|
Age | 9 | 655 | 1.03 | 0.74-1.44 | 0.0 | 0.545 | Fixed |
Gender | 8 | 589 | 1.06 | 0.92-1.21 | 0.0 | 0.686 | Fixed |
Clinical stage | 8 | 556 | 3.25 | 2.23-4.73 | 15.9 | 0.305 | Fixed |
Tumor size | 7 | 553 | 1.86 | 0.71-4.87 | 76.7 | 0.0 | Random |
Lymph node metastasis | 5 | 262 | 8.96 | 4.82-16.68 | 19.6 | 0.29 | Fixed |
Distant metastasis | 3 | 323 | 2.18 | 1.05-4.52 | 31.4 | 0.233 | Fixed |
Histological grade | 4 | 472 | 2.23 | 1.47-3.37 | 45.4 | 0.103 | Fixed |