Table 5 Meta-regression for variables that influence the association between smoking and risk of wound complications
Variables | Study variance (ţ 2 ) | P value | Residual variation due to heterogeneity (I 2 ) |
|---|---|---|---|
Publication year | 1.04 | 0.75 | 80.85% |
Study design | 0.86 | 0.26 | 79.73% |
Operative approach | 1.06 | 0.89 | 80.70% |
Type of closure | 0.94 | 0.35 | 78.99% |
Study quality | 0.78 | 0.18 | 74.83% |
Study region | 0.88 | 0.26 | 78.71% |