References
The teaching data are the lung dataset of the R package survival (Therneau 2026), from Loprinzi et al. (1994).
Austin, Peter C., Douglas S. Lee, and Jason P. Fine. 2016. “Introduction to the Analysis of Survival Data in the Presence of Competing Risks.” Circulation 133 (6): 601–9. https://doi.org/10.1161/CIRCULATIONAHA.115.017719.
Bland, J. Martin, and Douglas G. Altman. 1998. “Survival Probabilities (the Kaplan-Meier Method).” BMJ 317 (7172): 1572. https://doi.org/10.1136/bmj.317.7172.1572.
Bland, J. Martin, and Douglas G. Altman. 2004. “The Logrank Test.” BMJ 328 (7447): 1073. https://doi.org/10.1136/bmj.328.7447.1073.
Bradburn, M. J., T. G. Clark, S. B. Love, and D. G. Altman. 2003a. “Survival Analysis Part II: Multivariate Data Analysis – an Introduction to Concepts and Methods.” British Journal of Cancer 89 (3): 431–36. https://doi.org/10.1038/sj.bjc.6601119.
Bradburn, M. J., T. G. Clark, S. B. Love, and D. G. Altman. 2003b. “Survival Analysis Part III: Multivariate Data Analysis – Choosing a Model and Assessing Its Adequacy and Fit.” British Journal of Cancer 89 (4): 605–11. https://doi.org/10.1038/sj.bjc.6601120.
Brookes, Sara T., Elise Whitely, Matthias Egger, George Davey Smith, Paul A. Mulheran, and Tim J. Peters. 2004. “Subgroup Analyses in Randomized Trials: Risks of Subgroup-Specific Analyses; Power and Sample Size for the Interaction Test.” Journal of Clinical Epidemiology 57 (3): 229–36. https://doi.org/10.1016/j.jclinepi.2003.08.009.
Brookmeyer, Ron, and John Crowley. 1982. “A Confidence Interval for the Median Survival Time.” Biometrics 38 (1): 29–41. https://doi.org/10.2307/2530286.
Clark, T. G., M. J. Bradburn, S. B. Love, and D. G. Altman. 2003. “Survival Analysis Part I: Basic Concepts and First Analyses.” British Journal of Cancer 89 (2): 232–38. https://doi.org/10.1038/sj.bjc.6601118.
Collins, Gary S., Johannes B. Reitsma, Douglas G. Altman, and Karel G. M. Moons. 2015. “Transparent Reporting of a Multivariable Prediction Model for Individual Prognosis or Diagnosis (TRIPOD): The TRIPOD Statement.” BMJ 350: g7594. https://doi.org/10.1136/bmj.g7594.
Cox, D. R. 1972. “Regression Models and Life-Tables.” Journal of the Royal Statistical Society: Series B (Methodological) 34 (2): 187–202. https://doi.org/10.1111/j.2517-6161.1972.tb00899.x.
Elm, Erik von, Douglas G. Altman, Matthias Egger, Stuart J. Pocock, Peter C. Gøtzsche, and Jan P. Vandenbroucke. 2007. “The Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) Statement: Guidelines for Reporting Observational Studies.” The Lancet 370 (9596): 1453–57. https://doi.org/10.1016/S0140-6736(07)61602-X.
Gehan, Edmund A. 1965. “A Generalized Wilcoxon Test for Comparing Arbitrarily Singly-Censored Samples.” Biometrika 52 (1-2): 203–24. https://doi.org/10.1093/biomet/52.1-2.203.
Grambsch, Patricia M., and Terry M. Therneau. 1994. “Proportional Hazards Tests and Diagnostics Based on Weighted Residuals.” Biometrika 81 (3): 515–26. https://doi.org/10.1093/biomet/81.3.515.
Greenwood, Major. 1926. “The Natural Duration of Cancer.” Reports on Public Health and Medical Subjects 33: 1–26.
Harrell, Frank E., Robert M. Califf, David B. Pryor, Kerry L. Lee, and Robert A. Rosati. 1982. “Evaluating the Yield of Medical Tests.” JAMA 247 (18): 2543–46. https://doi.org/10.1001/jama.1982.03320430047030.
Harrell, Frank E., Kerry L. Lee, and Daniel B. Mark. 1996. “Multivariable Prognostic Models: Issues in Developing Models, Evaluating Assumptions and Adequacy, and Measuring and Reducing Errors.” Statistics in Medicine 15 (4): 361–87. https://doi.org/10.1002/(SICI)1097-0258(19960229)15:4<361::AID-SIM168>3.0.CO;2-4.
Hernán, Miguel A. 2010. “The Hazards of Hazard Ratios.” Epidemiology 21 (1): 13–15. https://doi.org/10.1097/EDE.0b013e3181c1ea43.
Kaplan, E. L., and Paul Meier. 1958. “Nonparametric Estimation from Incomplete Observations.” Journal of the American Statistical Association 53 (282): 457–81. https://doi.org/10.1080/01621459.1958.10501452.
Loprinzi, C. L., J. A. Laurie, H. S. Wieand, et al. 1994. “Prospective Evaluation of Prognostic Variables from Patient-Completed Questionnaires. North Central Cancer Treatment Group.” Journal of Clinical Oncology 12 (3): 601–7. https://doi.org/10.1200/JCO.1994.12.3.601.
Makuch, Robert W. 1982. “Adjusted Survival Curve Estimation Using Covariates.” Journal of Chronic Diseases 35 (6): 437–43. https://doi.org/10.1016/0021-9681(82)90058-3.
Mantel, Nathan. 1966. “Evaluation of Survival Data and Two New Rank Order Statistics Arising in Its Consideration.” Cancer Chemotherapy Reports 50 (3): 163–70.
McShane, Lisa M., Douglas G. Altman, Willi Sauerbrei, Sheila E. Taube, Massimo Gion, and Gary M. Clark. 2005. “Reporting Recommendations for Tumor Marker Prognostic Studies (REMARK).” Journal of the National Cancer Institute 97 (16): 1180–84. https://doi.org/10.1093/jnci/dji237.
Morris, Tim P., Christopher I. Jarvis, William Cragg, Patrick P. J. Phillips, Babak Choodari-Oskooei, and Matthew R. Sydes. 2019. “Proposals on Kaplan-Meier Plots in Medical Research and a Survey of Stakeholder Views: KMunicate.” BMJ Open 9 (9): e030215. https://doi.org/10.1136/bmjopen-2019-030215.
Oken, Martin M., Richard H. Creech, Douglass C. Tormey, et al. 1982. “Toxicity and Response Criteria of the Eastern Cooperative Oncology Group.” American Journal of Clinical Oncology 5 (6): 649–56. https://doi.org/10.1097/00000421-198212000-00014.
Peduzzi, Peter, John Concato, Alvan R. Feinstein, and Theodore R. Holford. 1995. “Importance of Events Per Independent Variable in Proportional Hazards Regression Analysis II. Accuracy and Precision of Regression Estimates.” Journal of Clinical Epidemiology 48 (12): 1503–10. https://doi.org/10.1016/0895-4356(95)00048-8.
Peto, Richard, and Julian Peto. 1972. “Asymptotically Efficient Rank Invariant Test Procedures.” Journal of the Royal Statistical Society: Series A (General) 135 (2): 185–207. https://doi.org/10.2307/2344317.
Pocock, Stuart J., Tim C. Clayton, and Douglas G. Altman. 2002. “Survival Plots of Time-to-Event Outcomes in Clinical Trials: Good Practice and Pitfalls.” The Lancet 359 (9318): 1686–89. https://doi.org/10.1016/S0140-6736(02)08594-X.
Royston, Patrick, and Mahesh K. B. Parmar. 2013. “Restricted Mean Survival Time: An Alternative to the Hazard Ratio for the Design and Analysis of Randomized Trials with a Time-to-Event Outcome.” BMC Medical Research Methodology 13: 152. https://doi.org/10.1186/1471-2288-13-152.
Schoenfeld, David. 1982. “Partial Residuals for the Proportional Hazards Regression Model.” Biometrika 69 (1): 239–41. https://doi.org/10.1093/biomet/69.1.239.
Stensrud, Mats J., and Miguel A. Hernán. 2020. “Why Test for Proportional Hazards?” JAMA 323 (14): 1401–2. https://doi.org/10.1001/jama.2020.1267.
Tarone, Robert E., and James Ware. 1977. “On Distribution-Free Tests for Equality of Survival Distributions.” Biometrika 64 (1): 156–60. https://doi.org/10.1093/biomet/64.1.156.
Therneau, Terry M. 2026. A Package for Survival Analysis in R. https://CRAN.R-project.org/package=survival.
Therneau, Terry M., and Patricia M. Grambsch. 2000. Modeling Survival Data: Extending the Cox Model. Statistics for Biology and Health. Springer. https://doi.org/10.1007/978-1-4757-3294-8.
Vittinghoff, Eric, and Charles E. McCulloch. 2007. “Relaxing the Rule of Ten Events Per Variable in Logistic and Cox Regression.” American Journal of Epidemiology 165 (6): 710–18. https://doi.org/10.1093/aje/kwk052.