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Table 1 Patients’ general characteristics, comorbidities and admission data

From: Early prediction of hospital outcomes in patients tracheostomized for complex mechanical ventilation weaning

  Study population Favourable outcome Poor outcome  
  N = 80* N = 50* N = 30* p value#
General characteristics     
 Age, year 60 [52–71] 59 [50–67] 68.5 [55–76] 0.03
 Women, n (%) 23 (28.8%) 16 (32%) 7 (23.3%)  
 BMI, kg/m2 25.6 [21–30] 24.2 [21–27] 28.2 [24–32]  < 0.01
Comorbidities     
 Pulmonary comorbidities     
  Obstructive disease, n. (%) 18 (22.5%) 10 (20%) 8 (26.7%) 0.58
  Restrictive disease, n. (%) 1 (1.3%) 1 (2%) 0 (0%) 1
  OAS, n. (%) 9 (11.3%) 5 (10%) 4 (13.3%) 0.72
  Other pulmonary disease, n. (%) 2 (2.5%) 2 (4%) 0 (0%) 0.53
  Home O2-therapy, n. (%) 2 (2.5%) 2 (4%) 0 (0%) 0.53
  Home NIV-therapy, n. (%) 3 (3.8%) 2 (4%) 1 (3.3%) 1
 Cardiac comorbidities     
  Coronary artery disease, n. (%) 6 (7.5%) 5 (10%) 1 (3.3%) 0.40
  Heart failure, n. (%) 0 (0%) 0 (0%) 0 (0%) 1
 Other comorbidities     
  Chronic kidney disease, n. (%) 4 (5%) 1 (2%) 3 (10%) 0.15
  Active neoplasia, n. (%) 22 (27.5%) 15 (30%) 7 (23.3%) 0.61
  Central neurological disease, n. (%) 1 (1.3%) 1 (2%) 0 (0%) 1
 Clinical Frailty Score 3 [2–5] 3 [2–5] 4 [2–5] 0.83
 NRS score at admission 6 [3–6] 6 [3–6] 5.5 [4–6] 0.37
Admission data     
 Reason for ICU admission     0.31
  Cardiac arrest 5 (6.3%) 3 (6%) 2 (6.7%)  
  Oliguria/anuria/CRRT need 2 (2.5%) 1 (2%) 1 (3.3%)  
  Respiratory distress 20 (25%) 15 (30%) 5 (16.7%)  
  Shock 9 (11.3%) 5 (10%) 4 (13.3%)  
  Post-operative (planned) 6 (7.5%) 6 (12%) 0 (0%)  
  Post-operative (emergency surgery) 11 (13.8%) 4 (8%) 7 (23.3%)  
  Polytrauma 6 (7.5%) 4 (8%) 2 (6. 7%)  
  Other hospital transfer 5 (6.3%) 3 (6%) 2 (6. 7%)  
  Altered level of consciousness 16 (20%) 9 (18%) 7 (23.3%)  
 Type of ICU admission     1
  Medical, n. (%) 28 (35%) 18 (36%) 10 (33.3%)  
  Surgical, n. (%) 52 (65%) 32 (64%) 20 (66. 7%)  
 SAPS II at admission 46.5 [39–62] 44.5 [36–64] 51.0 [43–61] 0.33
 SOFA Score at admission 9.0 [7–11] 8.0 [7–11] 9.0 [7–11] 0.89
Neurological reason for intubation 23 (28.8%) 11 (22%) 12 (40%) 0.13
  1. *N = 80, except for NRS score at admission, where N = 57 (N = 35 for favourable outcome, N = 22 for poor outcome)
  2. BMI body mass index, OAS obstructive apnea syndrome, NIV non-invasive ventilation, NRS nutrition risk screening, ICU intensive care unit, CRRT continuous renal replacement therapy, SAPS II Simplified Acute Physiology Score II, SOFA score Sequential Organ Failure Assessment score
  3. #p value calculated using t test or Mann–Whitney test for continuous data and Fisher’s exact test for categorical data