An online scoring system is available at http://www.3chf.org/site/index.php Untitled risk score Variable Points (additive score) Age +age (in years) Respiratory rate, min (minimal 20; + rate (in breaths/min) Systolic BP, mmHg 180: -50 Urea nitrogen (maximum, 60mg/dL) + level (in mg/dL) Sodium concentration <136 mEq/L +10 Advanced heart failure and palliative care Chronic Heart Failure NICE 2018. All rights reserved. Subject to Notice of rights. ISBN: Risk tool Description of tool Comments Cerebrovascular disease +10 Hepatic cirrhosis +35 An electronic version of the risk scoring system is available at: http://www.ccort.ca/CHFriskmodel.asp 10.4.4 Discrimination and calibration Table 153: Clinical evidence profile: risk tools for predicting mortality (all-cause at up to 1 year) Risk tool No of studie s n Strata Risk of bias a Inconsistency b Indirectne ssc Imprecisi ond Sensitivi ty (%) Specifici ty (%) AUC(or C- statistic)/NPV/ PPV Calibration Quality Seattle Heart Failure Model study includ separa At threshold 50% predicted mortality Outpatien t mixed LO W No inconsistency No indirectne ss Not estimable HIGH At threshold 20% predicted mortality Advanced heart failure and palliative care Chronic Heart Failure NICE 2018. All rights reserved. Subject to Notice of rights. 