From: Clustering of continuous and binary outcomes at the general practice level in individually randomised studies in primary care - a review of 10 years of primary care trials
Percentile
Unadjusted ICC (n = 55)
ICC adjusted for baseline characteristics (n = 52)
Min
0
1%
5%
10%
25%
0.003
0.001
50%
0.016
0.011
75%
0.030
0.026
90%
0.080
0.060
95%
0.099
0.094
99%
0.186
0.140
Max