External validation of the Hospital-patient One-year Mortality Risk (HOMR) model for predicting death within 1 year after hospital admission

C van Walraven, FA McAlister, JA Bakal, S Hawken… - Cmaj, 2015 - Can Med Assoc
Background: Predicting long-term survival after admission to hospital is helpful for clinical,
administrative and research purposes. The Hospital-patient One-year Mortality Risk (HOMR) …

The HOMR-Now! model accurately predicts 1-year death risk for hospitalized patients on admission

C van Walraven, AJ Forster - The American Journal of Medicine, 2017 - Elsevier
Abstract Background The Hospital-patient One-year Mortality Risk (HOMR) score is an
externally validated index using health administrative data to accurately predict the risk of …

The Hospital-patient One-year Mortality Risk score accurately predicted long-term death risk in hospitalized patients

C van Walraven - Journal of clinical epidemiology, 2014 - Elsevier
Objective Prognostication is difficult in a diverse patient population or when outcomes
depend on multiple factors. This study derived and internally validated a model to predict …

mHOMR: a feasibility study of an automated system for identifying inpatients having an elevated risk of 1-year mortality

P Wegier, E Koo, S Ansari, D Kobewka… - BMJ quality & …, 2019 - qualitysafety.bmj.com
Objective The need for clinical staff to reliably identify patients with a shortened life
expectancy is an obstacle to improving palliative and end-of-life care. We developed and …

Addition of time‐dependent covariates to a survival model significantly improved predictions for daily risk of hospital death

J Wong, M Taljaard, AJ Forster… - Journal of Evaluation …, 2013 - Wiley Online Library
Rational, aims and objectives The study aims to determine the extent to which the addition of
post‐admission information via time‐dependent covariates improved the ability of a survival …

Identifying increased risk of readmission and in-hospital mortality using hospital administrative data: the AHRQ Elixhauser Comorbidity Index

BJ Moore, S White, R Washington, N Coenen… - Medical care, 2017 - journals.lww.com
Objective: We extend the literature on comorbidity measurement by developing 2 indices,
based on the Elixhauser Comorbidity measures, designed to predict 2 frequently reported …

Derivation and validation of an index to predict early death or unplanned readmission after discharge from hospital to the community

C Van Walraven, IA Dhalla, C Bell, E Etchells, IG Stiell… - Cmaj, 2010 - Can Med Assoc
Background: Readmissions to hospital are common, costly and often preventable. An easy-
to-use index to quantify the risk of readmission or death after discharge from hospital would …

Development and validation of a model for predicting inpatient hospitalization

KW Lemke, JP Weiner, JM Clark - Medical care, 2012 - journals.lww.com
Background: Hospitalizations are costly for health insurers and society. Objectives: To
develop and validate a predictive model for acute care hospitalization from administrative …

The mortality risk score and the ADG score: two points-based scoring systems for the Johns Hopkins aggregated diagnosis groups to predict mortality in a general …

PC Austin, C van Walraven - Medical care, 2011 - journals.lww.com
Background: Logistic regression models that incorporated age, sex, and indicator variables
for the Johns Hopkins' Aggregated Diagnosis Groups (ADGs) categories have been shown …

[HTML][HTML] Performance of in-hospital mortality prediction models for acute hospitalization: hospital standardized mortality ratio in Japan

H Miyata, H Hashimoto, H Horiguchi, S Matsuda… - BMC health services …, 2008 - Springer
Objective In-hospital mortality is an important performance measure for quality improvement,
although it requires proper risk adjustment. We set out to develop in-hospital mortality …