A Karnofsky Performance Status-Based Risk Score Improves Prediction of Post-Sepsis Mortality in Sub-Saharan Africa: A
Devin S Videlefsky1, Julius J Lutwama2, Nicholas Owor2
1Department of Medicine and Division of Pulmonary, Allergy, and Critical Care Medicine, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY.
Critical Care Medicine
|January 23, 2026
Summary
Karnofsky Performance Status (KPS) effectively predicts post-discharge mortality in sepsis survivors in Uganda. Integrating KPS into care can guide interventions to improve survival rates in low-income countries.
Area of Science:
- Global Health
- Critical Care Medicine
- Epidemiology
Background:
- Sepsis survivors face high post-discharge mortality, particularly in sub-Saharan Africa.
- Accurate risk stratification is crucial for targeted follow-up care in sepsis survivors.
- Current risk prediction models may not adequately address the needs of low-resource settings.
Purpose of the Study:
- To evaluate the performance of Karnofsky Performance Status (KPS) for predicting post-discharge mortality in adult sepsis survivors in Uganda.
- To determine if KPS improves risk stratification beyond existing clinical variables.
- To inform strategies for improving sepsis survivorship in low- and middle-income countries.
Main Methods:
- Prospective observational study of two cohorts in Entebbe and Tororo, Uganda.
- Adults hospitalized with sepsis were assessed using KPS at discharge.
- Post-discharge mortality was tracked at 30 and 60 days.
Main Results:
- Higher KPS scores at discharge were significantly associated with reduced post-discharge mortality.
- KPS improved the prediction of post-discharge mortality when added to a baseline risk model.
- Enhanced predictive discrimination and calibration were observed with KPS inclusion.
Conclusions:
- Karnofsky Performance Status assessed at hospital discharge is a valuable tool for predicting post-discharge mortality in sepsis survivors in sub-Saharan Africa.
- Incorporating KPS into discharge planning can facilitate targeted interventions to enhance sepsis survivorship.
- This approach holds promise for improving outcomes in low- and middle-income countries.
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