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Table 2 Sample size per treatment arm for various values of ICC and (radj)

From: PALLiON – PALLiative care Integrated in ONcology: study protocol for a Norwegian national cluster-randomized control trial with a complex intervention of early integration of palliative care

   

radj

  
 

0.4

0.3

0.2

0.1

NOa

ICC

0.06

102

120

138

150

150

0.07

126

150

180

198

204

0.08

156

204

258

300b

312

0.09

210

318

468

630

714

  1. ICC intra-cluster correlation coefficient, radj correlation coefficient between outcome and adjustment covariates
  2. aNo adjustment for baseline covariates
  3. bRequired no. of patients per arm
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ISSN: 1745-6215