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Table 1 Baseline characteristics of the 1075 patients

From: Initial nutritional management during noninvasive ventilation and outcomes: a retrospective cohort study

  No. (%) or median [IQR]  
Baseline characteristics No nutrition (n = 622) Parenteral nutrition (n = 74) Enteral nutrition (n = 28) Oral nutrition (n = 351) P value*
Age, years (1 missing) 70.4 [59.4–80.2] 67.3 [56.4–78.8] 66.6 [60.9–77.3] 71.6 [59.4–80.3] 0.39
Male sex 384 (61.7) 47 (63.5) 19 (67.9) 206 (58.7) 0.64
Hospital LOS before ICU admission, days 1 [1–3] 1.5 [1–5] 2 [1–6.5] 1 [1–2] 0.08
Weight, kg (162 missing) 73 [61–87] 71 [62–88] 61 [55–74] 73 [60–85] 0.06
BMI, kg/m2 (270 missing) 26 [22.8–30.9] 25 [22.2–30.2] 23.4 [19.2–26.7] 25.5 [21.8–30.5] 0.09
Admission diagnosis (12 missing)      <0.01
 COPD exacerbation 98 (16) 8 (11.1) 2 (7.4) 93 (26.6)  
 Acute respiratory failure 366 (59.6) 46 (63.9) 13 (48.1) 183 (52.3)
 Coma as referral diagnosis related to hypercapnia 21 (3.4) 2 (2.8) 5 (18.5) 7 (2)
 Miscellaneous 129 (21) 16 (22.2) 7 (25.9) 67 (19.1)  
Chronic diseasea      
 Heart failure 144 (23.2) 15 (20.3) 4 (14.3) 87 (24.8) 0.55
 Respiratory failure 256 (41.2) 32 (43.2) 6 (21.4) 186 (53) <0.01
 Hepatic failure 25 (4) 3 (4.1) 0 (0) 8 (2.3) 0.36
 Renal failure 42 (6.8) 4 (5.4) 3 (10.7) 19 (5.4) 0.64
 Immunosuppression 112 (18) 13 (17.6) 4 (14.3) 39 (11.1) 0.04
McCabe and Jackson classification (14 missing)      
 Nonfatal 277 (45.3) 35 (48.6) 11 (40.7) 159 (45.4) 0.38
 Ultimately fatal disease 287 (46.9) 31 (43.1) 13 (48.1) 176 (50.3)  
 Fatal within 1 year 48 (7.8) 6 (8.3) 3 (11.1) 15 (4.3)  
Charlson comorbidity index 2 [1–3] 1 [1–3] 1.5 [0.5–3] 2 [1–3] 0.22
SAPS II 37 [30–47] 35.5 [26–45] 43.5 [34.5–50.5] 33 [25–42] <0.01
SOFA 4 [2–5] 4 [3–6] 4.5 [3.5–7] 4 [2–5] 0.02
  1. Abbreviations: LOS length of stay, ICU intensive care unit, BMI Body Mass Index, COPD chronic obstructive pulmonary disease, SAPS II Simplified Acute Physiology Score II, SOFA Sequential Organ Failure Assessment
  2. aAssessed using the Knaus scale
  3. *Comparaison between the groups