Table 5 Allium sativum triglyceride (TG) stepwise elimination: comparison of final P values for final models using both large sample and permutation techniques
From: An empirical study using permutation-based resampling in meta-regression
Model | Meta-regression (t-distribution), P value | Permutation test, P value |
|---|---|---|
1. Methodological covariates (N = 22): | Â | Â |
Appropriate blinding | 0.033 | 0.047 |
Heterogeneity (I2) | 98.1% | Â |
2. Participant level and intervention level covariates (N = 17): | Â | Â |
Length of trial | 0.001 | 0.003 |
Control group TG baseline | 0.008 | 0.016 |
Dose of garlic | 0.031 | 0.036 |
Heterogeneity (I2) | 87.0% | Â |