Risk stratification for long-term outcome after elective coronary angioplasty: A multivariate analysis of 5,000 patients

The Statistical Analysis of Failure Time Data.

Murray Aitkin, John D. Kalbfleisch, Ross L. Prentice · Biometrics · 1981 · 10K citations

Reliability, Reliability Engineering, Engineering +4

Multifactorial Index of Cardiac Risk in Noncardiac Surgical Procedures

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Dorota M. Dabrowska, Thomas R. Fleming, David P. Harrington · Journal of the American Statistical Association · 1992 · 2.3K citations

Counting Process, Engineering, Estimation Statistic +8

Regression modelling strategies for improved prognostic prediction

Frank E. Harrell, Kerry L. Lee, Robert M. Califf et al. · Statistics in Medicine · 1984 · 1.8K citations

Stratification of Morbidity and Mortality Outcome by Preoperative Risk Factors in Coronary Artery Bypass Patients

Thomas L. Higgins · JAMA · 1992 · 805 citations