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. Author manuscript; available in PMC: 2020 Apr 1.
Published in final edited form as: J Am Med Dir Assoc. 2019 Mar 7;20(4):444–450.e2. doi: 10.1016/j.jamda.2019.01.137

Table 2.

AUC and Sensitivity of the Gradient Boosting Machine model, Charlson Comorbidity Index (CCI), and Length of Stay

Model AUC (95% CI) Sensitivity at 20% FPR (95%CI) Sensitivity at 30% FPR (95% CI)
Gradient boosting machine 0.70 (0.68–0.72) 0.45 (0.42–0.48) 0.58 (0.55–0.61)
Charlson comorbidity index 0.59 (0.57–0.60) 0.29 (0.27–0.31) 0.43 (0.40–0.45)
Length of stay 0.58 (0.56–0.60) 0.31 (0.29–0.39) 0.47 (0.44–0.49)

Abbreviations: AUC, area under receiver operator curve, FPR, false-positive rate.