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| Results for periodontal disease as a risk factor | ||
| Meta-regression | Number of observations | 19 |
| REML estimate of between-study variance | tau2 | 0.9939 |
| % residual variation due to heterogeneity | I-squared_res | 68.63% |
| Proportion of between-study variance explained | Adj R-squared | 1.28% |
