References

Fine, Jason P., and Robert J. Gray. 1999. “A Proportional Hazards Model for the Subdistribution of a Competing Risk.” Journal of the American Statistical Association 94. https://doi.org/10.1080/01621459.1999.10474144.

Gray, Robert J. 1998. “A Class of k-Sample Tests for Comparing the Cumulative Incidence of a Competing Risk.” The Annals of Statistics 16. https://doi.org/10.1214/aos/1176350951.

Scrucca, L, A Santucci, and F Aversa. 2010. “Regression Modeling of Competing Risk Using r: An in Depth Guide for Clinicians.” Bone Marrow Transplantation 45: 1388–95. https://doi.org/10.1038/bmt.2009.359.