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Purpose  Typical nutritional assessment criteria and screening tools are ineffective in mechanically ventilated patients who are often unable to report their food intake history. The Nutrition Risk in Critically Ill (NUTRIC) score is effective for screening mechanically ventilated patients. This prospective observational study was conducted to identify nutritional risk in mechanically ventilated patients using a modified NUTRIC (mNUTRIC) score (without using interleukin-6 values).  Methods  All adult patients admitted to the intensive care unit (ICU) for more than 48 hours were included in the study. Data were collected on the variables required to calculate mNUTRIC scores. Patients with mNUTRIC scores ≥5 were considered at high nutritional risk. The assessment data included total ICU length of stay, ventilator-free days, and mortality rates.  Results and conclusion  A total of 75 patients fit the inclusion criteria of the study, including 40 males and 35 females. The mean age was 55.8 years. Forty-five percent of mechanically ventilated patients had mNUTRIC scores ≥5. Mechanically ventilated patients with mNUTRIC scores ≥5 had longer lengths of stay in the ICU (mean ± SD = 11.5±5 days) as compared with 3.5±4 days in patients with mNUTRIC scores ≤4. Moreover, a higher mortality rate (26%) was observed in patients with mNUTRIC scores ≥5. A high mNUTRIC predicted mortality score shows a receiver operating characteristic curve of 0.637 with a confidence interval between 0.399 and 0.875. Forty-five percent of mechanically ventilated patients admitted to the ICU were at nutritional risk, and their mNUTRIC scores were directly related to higher lengths of stay and mortality.

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Modified Nutrition Risk in Critically Ill (mNUTRIC) Score to Assess Nutritional Risk in Mechanically Ventilated Patients: A Prospective Observational Study from the Pakistani Population