OR to SMD, SMD to OR

Here’s a calculator to convert OR to SMD using Chinn’s formula (SMD = ln(OR)/1.81).

Chinn S. A simple method for converting an odds ratio to effect size for use in meta-analysis. Stat Med. 2000;19(22):3127-3131. doi:10.1002/1097-0258(20001130)19:22<3127::aid-sim784>3.0.co;2-m

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