Table 3.
Characteristic | Number of studies | Number of patients | Pooled OR (95% CI) | p value | Heterogeneity | ||
---|---|---|---|---|---|---|---|
I2 (%) | p value | Model | |||||
Age (old vs young) | |||||||
Rab27A | 4 | 579 | 1.23 (0.86–1.77) | 0.255 | 0.0 | 0.820 | Fixed |
Rab27B | 7 | 984 | 1.11 (0.84–1.48) | 0.450 | 32.4 | 0.181 | Fixed |
Gender (male vs female) | |||||||
Rab27A | 4 | 579 | 0.69 (0.47–1.01) | 0.057 | 33.9 | 0.209 | Fixed |
Rab27B | 5 | 660 | 0.88 (0.43–1.82) | 0.729 | 74.2 | 0.004 | Random |
Tumor size (large vs small) | |||||||
Rab27B | 3 | 414 | 1.17 (0.77–1.79) | 0.454 | 0.0 | 0.386 | Fixed |
Tumor grade (high vs low) | |||||||
Rab27A | 3 | 446 | 1.20 (0.29–5.03) | 0.800 | 82.8 | 0.003 | Random |
Rab27B | 6 | 851 | 1.33 (0.75–2.35) | 0.333 | 55.8 | 0.046 | Random |
Tumor stage (high vs low) | |||||||
Rab27A | 3 | 431 | 1.02 (0.37–2.78) | 0.974 | 81.3 | 0.005 | Random |
Rab27B | 5 | 723 | 1.43 (1.80–2.57) | 0.229 | 61.3 | 0.036 | Random |
Lymph node metastasis (present vs absent) | |||||||
Rab27A | 3 | 431 | 1.53 (1.00–2.34) | 0.048 | 49.6 | 0.137 | Fixed |
Rab27B | 6 | 836 | 2.15 (1.56–2.95) | < 0.001 | 27.9 | 0.225 | Fixed |
Distant metastasis (present vs absent) | |||||||
Rab27A | 2 | 298 | 2.13 (0.10–44.08) | 0.624 | 78.5 | 0.031 | Random |
Rab27B | 3 | 422 | 6.80 (3.12–14.85) | < 0.001 | 0.0 | 0.982 | Fixed |
TNM stage (high vs low) | |||||||
Rab27A | 4 | 579 | 1.78 (0.79–4.02) | 0.167 | 72.9 | 0.011 | Random |
Rab27B | 6 | 881 | 2.55 (1.78–3.65) | < 0.001 | 30.9 | 0.204 | Fixed |
CI confidential interval, OR odds ratio, TNM tumor-node-metastasis.