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. Author manuscript; available in PMC: 2020 Jul 1.
Published in final edited form as: Am J Transplant. 2019 Feb 13;19(7):2067–2076. doi: 10.1111/ajt.15265

Figure 4: Variables of Importance Predicting Heart Transplant Waitlist Mortality.

Figure 4:

Random Survival Forest investigation of variables predicting heart transplant waitlist mortality based on initially listing candidates as UNOS Status 1A, 1B or 2. Boxes encompass median (line) and 25th and 75th percentile confidence limits, and whiskers 95% confidence limits. A value of 1.5% as reported for estimated glomerular filtration rate (eGFR) among UNOS Status 1A candidates means that without eGFR in the survival model we would misclassify 1.5% of new candidates. Thus, given two new candidates we would incorrectly identify which has worse survival on average 1.5% of the time.