Comparing the Contributions of Groups of Predictors: Which Outcomes Vary With Hospital Rather Than Patient Characteristics
本文提出一种方法，用于区分医院特征和患者特征对医疗结果的影响，帮助研究者判断哪些结果指标更受医院因素驱动。
Jeffrey H. Silber, Paul R. Rosenbaum, Richard N. Ross, Comparing the Contributions of Groups of Predictors: Which Outcomes Vary With Hospital Rather Than Patient Characteristics, Journal of the American Statistical Association, Vol. 90, No. 429 (Mar., 1995), pp. 7-18