tips:comp_mh_different_software
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tips:comp_mh_different_software [2019/05/05 16:21] – external edit 127.0.0.1 | tips:comp_mh_different_software [2021/11/08 15:48] (current) – Wolfgang Viechtbauer | ||
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===== Comparison of the Mantel-Haenszel Method in Different Software ===== | ===== Comparison of the Mantel-Haenszel Method in Different Software ===== | ||
- | The Mantel-Haenszel method is an approach for fitting meta-analytic | + | The Mantel-Haenszel method is an approach for fitting meta-analytic |
The method is available in the metafor package via the '' | The method is available in the metafor package via the '' | ||
Line 44: | Line 44: | ||
</ | </ | ||
<code output> | <code output> | ||
- | Fixed-Effects Model (k = 18) | + | Equal-Effects Model (k = 18) |
+ | |||
+ | I^2 (total heterogeneity / total variability): | ||
+ | H^2 (total variability / sampling variability): | ||
Test for Heterogeneity: | Test for Heterogeneity: | ||
Line 51: | Line 54: | ||
Model Results (log scale): | Model Results (log scale): | ||
- | estimate | + | estimate |
- | -1.209 | + | -1.209 |
Model Results (OR scale): | Model Results (OR scale): | ||
- | estimate | + | estimate |
- | | + | |
- | Cochran-Mantel-Haenszel Test: CMH = 32.214, df = 1, p-val < .001 | + | Cochran-Mantel-Haenszel Test: CMH = 32.214, df = 1, p-val < 0.001 |
Tarone' | Tarone' | ||
</ | </ | ||
Line 129: | Line 132: | ||
</ | </ | ||
<code output> | <code output> | ||
- | Fixed-Effects Model (k = 17) | + | Equal-Effects Model (k = 17) |
- | Test for Heterogeneity: | + | I^2 (total heterogeneity / total variability): |
+ | H^2 (total variability / sampling variability): | ||
+ | |||
+ | Test for Heterogeneity: | ||
Q(df = 16) = 16.406, p-val = 0.425 | Q(df = 16) = 16.406, p-val = 0.425 | ||
Model Results (log scale): | Model Results (log scale): | ||
- | estimate | + | estimate |
- | -1.149 | + | -1.149 |
Model Results (OR scale): | Model Results (OR scale): | ||
- | estimate | + | estimate |
- | | + | |
- | Cochran-Mantel-Haenszel Test: CMH = 30.919, df = 1, p-val < .001 | + | Cochran-Mantel-Haenszel Test: CMH = 30.919, df = 1, p-val < 0.001 |
Tarone' | Tarone' | ||
</ | </ | ||
- | These are the exact same results as obtained with Stata, RevMan, and CMA. However, the results of Bradburn et al. (2007) suggest that the '' | + | These are the exact same results as obtained with Stata, RevMan, and CMA. However, the results of Bradburn et al. (2007) suggest that the '' |
==== References ==== | ==== References ==== |
tips/comp_mh_different_software.txt · Last modified: 2021/11/08 15:48 by Wolfgang Viechtbauer