meta-analysis pgm

StatTools : Meta-analysis for Comparing Two Unpaired Groups Program

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Program References

Data : All rows have 2 columns
    - Each row from a separate study
    - Column 1 = Effect Size
    - Column 2 = Standard Error
Use Create Effect Size for Meta-analysis Program Page to create effect size from primary data

MacroPlot Code

Sutton AJ, Abrams KR, Jones DR, Sheldon TA, and Song F (2000) Methods for Meta-Analysis in Medical Research. John Wiley & Sons Ltd., Chichester UK. ISBN 0-471-49066-0.

Heterogeneity and Q test p.37-47
Rank Correlation test p 116-117
Radial Plot and Linear Regression Test p.117-119
Funnel Plot p113-116
Trim and Fill p 123
Fixed Effect model p58-63
Random Effect model p80-82
Rosenthal's File cabinet p120-122

Friedrich JO, Adhikari NKJ, Beyene J (2011) Ratio of means for analyzing continuous outcomes in meta-analysis performed as well as mean difference methods. Journal of Clinical Epidemiology 64 :556-564

Additional methodological papers for Trim and Fill and the Funnel Plot

Duval S and Tweedie R (2000) A nonparametric Trim and Fill method of accounting for publication bias in meta-analysis. J. Amer. Stat. Ass. 95:449 p 89-98.

Duval S Tweedie R (2000) Trim and Fill: A simple funnel plot based method of testing and adjusting for publication bias in meta-analysis. Biometrics 56:455-463.

Additional publications for heterogeneity

Cochran WG (1937) Problems arising in the analysis of a series of similar experiments J. Roy. Stat. Soc. 4(supp)102-118.

DerSimonian R Laird N (1986) Meta-analysis in clinical trials. Controlled Clin. Trials 7:177-188.

Altman DG (2003) Interaction revisited: the difference between two estimates. BMJ. 2003 January 25; 326(7382): 219.

Higgins JPT, Thompson SG, Deeks JJ, Altman DG (2003)Measuring inconsistency in meta-analysis. BMJ 327:557-560 6th Sept 2003

A complete lecture on Meta-analysis from Kevin Choi This is from the Cochrane Center of the Chinese University, the best summary of meta-analysis I have come across. Concise and precise, but a bit too advanced for the beginner.