Marieke van Son

159 PREDICTION MODELS FOR BF AFTER FOCAL SALVAGE HDR-BT 24. Nieboer D, Vergouwe Y, Roobol MJ, Ankerst DP, Kattan MW, Vickers AJ, et al. Nonlinear modeling was applied thoughtfully for risk prediction: The Prostate Biopsy Collaborative Group. J Clin Epidemiol 2015;68:426–34. https:// doi.org/10.1016/j.jclinepi.2014.11.022. 25. Moons KGM, Altman DG, Reitsma JB, Ioannidis JPA, Macaskill P, Steyerberg EW, et al. Transparent reporting of a multivariable prediction model for indi- vidual prognosis or diagnosis (TRIPOD): Explanation and elaboration. Ann Intern Med 2015;162:W1–73. https://doi. org/10.7326/M14-0698. 26. Team RC. R: A language and environ- ment for statistical computing 2019. 27. Ray ME, Thames HD, Levy LB, Horwitz EM, Kupelian PA, Martinez AA, et al. PSA nadir predicts biochemical and distant failures after external beam radiother- apy for prostate cancer: A multi-insti- tutional analysis. Int J Radiat Oncol Biol Phys 2006;64:1140–50. https://doi. org/10.1016/j.ijrobp.2005.07.006. 28. Spiess PE, Katz AE, Chin JL, Bahn D, Cohen JK, Shinohara K, et al. A pretreat- ment nomogram predicting biochemical failure after salvage cryotherapy for lo- cally recurrent prostate cancer. BJU Int 2010;106:194–8. https://doi.org/10.1111/ j.1464-410X.2009.09078.x. 29. Spiess PE, Levy DA, Mouraviev V, Pisters LL, Jones JS. Predictors of biochemical failure in patients undergoing pros- tate whole-gland salvage cryothera- py: A novel risk stratification model. BJU Int 2013;112:256–61. https://doi. org/10.1111/j.1464-410X.2012.11695.x. 30. Shah TT, Peters M, Kanthabalan A, Mc- Cartan N, Fatola Y, Van Der Voort Van Zyp J, et al. PSA nadir as a predictive factor for biochemical disease-free survival and overall survival following whole-gland salvage HIFU following radiotherapy failure. Prostate Cancer Prostatic Dis 2016;19:311–6. https://doi. org/10.1038/pcan.2016.23. 31. Bettermann AS, Zamboglou C, Kiefer S, Jilg CA, Spohn S, Kranz-rudolph J, et al. [ 68 Ga- ] PSMA-11 PET / CT and multi- parametric MRI for gross tumor volume delineation in a slice by slice analysis with whole mount histopathology as a reference standard – Implications for focal radiotherapy planning in prima- ry prostate cancer. Radiother Oncol 2019;d:7–12. https://doi.org/10.1016/j. radonc.2019.07.005. 8

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