Table 2 Other groups with positive lymph node metastasis
Regional LN stations (+) | Studies | Effect model | Pooled OR | 95% CI | I2 | p value |
|---|---|---|---|---|---|---|
No. 1 | 3 | Fixed | 1.76 | 1.19–2.60 | 0% | < 0.01 |
No. 2 | 4 | Random | 2.38 | 1.06–5.32 | 80% | 0.04 |
No. 3 | 4 | Random | 3.65 | 1.74–7.67 | 58% | < 0.01 |
No. 4sa | 2 | Fixed | 17.71 | 10.35–30.30 | 0% | < 0.01 |
No. 4sb | 3 | Fixed | 6.91 | 4.50–10.62 | 0% | < 0.01 |
No. 4d | 2 | Fixed | 4.54 | 2.32–8.87 | 0% | < 0.01 |
No. 5 | 3 | Fixed | 1.77 | 0.90–3.46 | 0% | 0.14 |
No. 6 | 3 | Fixed | 1.74 | 1.03–2.94 | 31% | 0.04 |
No. 7 | 4 | Random | 3.05 | 1.62–5.73 | 64% | < 0.01 |
No. 8a | 2 | Fixed | 1.61 | 0.92–2.81 | 0% | 0.10 |
No. 9 | 4 | Random | 2.83 | 1.22–6.56 | 76% | 0.02 |
No. 11 | 4 | Fixed | 3.92 | 2.81–5.49 | 47% | < 0.01 |
No. 16 | 2 | Fixed | 4.34 | 1.08–17.39 | 44% | 0.04 |