P D'Errigo, M Tosti, D Fusco, C Perucci, F … - BMC medical research methodology, 2007 - biomedcentral.com A risk adjustment model was developed using a classical single-level regression.
In the multilevel approach, the variable "clinical-centre" was employed as a
group-level identifier. The intraclass correlation coefficient was used to ... Related articles - Cached - All 9 versions