Search tips
Search criteria 


Logo of bmjThe BMJ
BMJ. 1994 December 3; 309(6967): 1480–1481.
PMCID: PMC2541623

Confounding and Simpson's paradox.

Full text

Full text is available as a scanned copy of the original print version. Get a printable copy (PDF file) of the complete article (453K), or click on a page image below to browse page by page. Links to PubMed are also available for Selected References.

Selected References

These references are in PubMed. This may not be the complete list of references from this article.
  • Charig CR, Webb DR, Payne SR, Wickham JE. Comparison of treatment of renal calculi by open surgery, percutaneous nephrolithotomy, and extracorporeal shockwave lithotripsy. Br Med J (Clin Res Ed) 1986 Mar 29;292(6524):879–882. [PMC free article] [PubMed]
  • Hand DJ. Psychiatric examples of Simpson's paradox. Br J Psychiatry. 1979 Jul;135:90–91. [PubMed]

Articles from The BMJ are provided here courtesy of BMJ Publishing Group