Table 3.
Subsection | Studies number | Weight (%) | Pooled OR (95% CI) | Z (P) | I2 (%) |
---|---|---|---|---|---|
Subsection 1 | 5 | 77.46 | 1.16 (0.95–1.40) | 1.47 (P = 0.14) | 33.8 |
Subsection 2 | 3 | 22.54 | 0.74 (0.31–1.79) | 0.66 (P = 0.51) | 74.9 |
Whole population | 8 | 100.0 | 1.06 (0.82–1.36) | 0.44 (P = 0.66) | 61.0 |
Subsection 1: published before 2007.
Subsection 2: published after 2009.