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[Initial evaluation of a prognostic nutritional index]
E S Mac Loukhlin1, P Budini, H Ramos
1Servicio de Clínica de las Enfermedades Infecciosas, Hospital Rawson, Córdoba.
Revista De La Facultad De Ciencias Medicas (Cordoba, Argentina)
|January 1, 1990
Summary
This study identified key nutritional parameters like mid-arm circumference, serum albumin, and lymphocyte count as predictors of mortality in patients. A prognostic nutritional index (PNI) below 116 indicated a higher risk group with increased mortality.
Area of Science:
- Clinical Nutrition
- Biostatistics
- Prognostic Biomarkers
Context:
- Prospective study conducted at Hospital Rawson and Hospital Aeronáutico.
- Evaluated 104 patients and 35 healthy controls over one month.
- Utilized statistical analyses including Student's t-test, ANOVA, and Chi-squared test.
Purpose:
- To identify mortality predicting parameters in patients.
- To establish a prognostic nutritional index (PNI) for risk stratification.
- To assess the correlation between nutritional status and patient outcomes.
Summary:
- Mid-arm circumference (MAC), serum albumin (SA), and absolute lymphocyte count (ALC) were found to correlate with mortality (p<0.05).
- A prognostic nutritional index (PNI) was calculated as sqrt(ALC) + (SA x MAC).
- Patients with a PNI ≤ 116 exhibited a 12.20% mortality rate, while those with PNI ≥ 117 had no mortality.
Impact:
- Highlights the significance of nutritional assessment in predicting patient mortality.
- Suggests that nutritional support should be prioritized for high-risk patient groups.
- Provides a validated prognostic nutritional index for clinical application.