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Table 3 Distribution of ICCs across studies clustered by GP practice

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

0

1%

0

0

5%

0

0

10%

0

0

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

0.186

0.140