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Korean J Anesthesiol > Volume 73(3); 2020 > Article
In, Kang, Kim, Kim, Ahn, Lee, Lee, and Park: Tips for troublesome sample-size calculation
This corrects the article "Tips for troublesome sample-size calculation" on page 114.
Korean Journal of Anesthesiology 2020; 73(2):114-120
The article by In J, et al. entitled, “Tips for troublesome sample-size calculation.” contained an error in the Equation 12.
Before correction:
(12)
Adjusted sample size=Calculated sample size1-dropout rate=391-0.9=43.33
The correct information is found below:
(12)
Adjusted sample size=Calculated sample size1-dropout rate=391-0.1=43.33
The value for dropout rate was incorrectly printed as 0.9. The value for dropout rate should be corrected to 0.1.
The authors apologize for any inconvenience this mistake may have caused.


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