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. Author manuscript; available in PMC: 2012 Nov 1.
Published in final edited form as: Comput Methods Programs Biomed. 2011 Apr 15;104(2):266–270. doi: 10.1016/j.cmpb.2011.02.001

Table 1. C. Summary of Results from Example Data to Demonstrate the Clustered Logrank Test Macro.

Summary of results from example data.

Group 0 (Control group)
Number of clusters 229
Number of observations 1832
Group 1 (Treated group)
Number of clusters 229
Number of observations 1832
Independent variance 186.7077
Clustered variance 378.8884
Logrank statistic 39.53367
Clustered logrank test 2.031007
Clustered logrank p-value 0.042254