Research Article

Use of mNUTRIC-Score for Nutrition Risk Assessment and Prognosis Prediction in Critically Ill Patients with COVID-19: A Retrospective Observational Study

Table 3

Comparison of each item among 28-day survivors and nonsurvivors.

Clinical characteristicsSurvivors, n = 27Nonsurvivors, n = 71 value

Female n, (%)10 (37%)21 (29.6%)0.478
Male n, (%)17 (63%)50 (70.4%)
Age, mean49.51 ± 12.7360.15 ± 12.91≤0.001
 Comorbidities1 (0–4)1 (0–7)0.101
Charlson comorbidity index2 (0–4)3 (0–9)≤0.001
Severity of disease
 SOFA score6.22 ± 2.538.25 ± 2.56≤0.001
 APACHE II14.59 ± 7.1120.76 ± 6.09≤0.001
Biochemical
 Glucose (mg/dL)154 (77–533)164 (45–452)0.387
 Creatinine (mg/dL)0.83 (0.39–20.23)1.48 (0.30–13.20)≤0.001
 BUN (mg/dL)22.60 (10.50–137)34 (9–108)≤0.001
 Albumin (g/dL)2.59 ± 0.442.54 ± 0.500.667
 C-reactive protein (mg/dL)197.37 ± 167.50199.95 ± 123.780.934
Arterial blood gas
 pH7.35 ± 0.147.30 ± 0.140.156
 PaCO2 (mmHg)38 (14–163)45 (13–114)0.694
 Bicarbonate (mmol/L)23.37 ± 7.1322.50 ± 5.830.538
 Lactate (mmol/L)1.80 (0.60–4.30)2.10 (0.90–7)0.056
 PaO2/FiO2 (mmHg)79 (31–277)74 (41–366)0.565
Outcomes
 Mechanical ventilation (days)9 (3–40)7 (1–27)0.024
 Total mNUTRIC-Score, median (IQR), points2 (0–7)5 (0–8)≤0.001
 mNutric-Score level, n (%)4 (14.8%)42 (59.2%)≤0.001
 Hospital length of stay (days)17 (10–96)11 (2–28)≤0.001
 Initial nutrition therapy (hours)76 (12–240)72 (24–240)0.713
Initial time of nutrition therapy
 ≤48 h, n (%)11 (40.7%)24 (33.8%)0.490
 >48 h, n (%)16 (59.3%)25 (35.2%)
Complications, n (%)
 Acute kidney injury, n (%)10 (37%)52 (73.2%)≤0.001
 Upper gastrointestinal bleeding, n (%)2 (7.4%)4 (5.6%)0.744
 Vasopressors, n (%)11 (40.7%)39 (54.9%)0.209

Abbreviations: APACHE II, Acute Physiology and Chronic Health Evaluation II; BUN, blood urea nitrogen; mNUTRIC-Score, modified Nutrition Risk in the Critically Ill-Score; IQR, interquartile range; PaCO2, arterial partial carbon dioxide pressure; PaO2/FiO2 ratio, partial pressure of arterial oxygen to fraction of inspired oxygen; SOFA, Sequential Organ Failure Assessment.