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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  
 0.40.30.20.1NOa
ICC
0.06102120138150150
0.07126150180198204
0.08156204258300b312
0.09210318468630714
  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