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Table 1 Characteristics of ventilated patients

From: Impact of a VAP bundle in Belgian intensive care units

  Characteristics of patients
2010 2011 2013 2014 2015 2016 p value
Number 129 293 288 265 271 158  
Age median (IQR) 67 (54–78) 65 (54–75) 66 (54–75) 67 (57–76) 64 (54–76) 64 (50–71) 0.8412
Sex (male) 88 (68.8%) 183 (62.5%) 183 (63.5%) 162 (61.1%) 170 (62.7%) 102 (64.6%) 0.8326
Pre-ICU hosp. stay 0 (0–4) 0 (0–2) 0 (0–2) 1 (0–5) 0 (0–2) 0 (0–2) 0.3229
ICU stay median 10 (4–19) 13 (7–21) 8 (3–18) 7 (2–16) 7 (2–16) 8 (2–19) < 0.0001
Duration of ventilation median 10.5 (4–17) 13 (7–21) 7 (3–16) 5 (2–14) 5 (1–15) 6 (2–14) < 0.0001
Type of patients        0.0655
Medical 71 (55.8%) 156 (53.2%) 155 (53.2%) 138 (52.1%) 153 (56.5%) 94 (59.4%)  
Scheduled surgery 12 (9.3%) 51 (17.4%) 57 (19.8%) 52 (19.6%) 45 (16.6%) 18 (11.4%)  
Nonscheduled surgery 32 (24.8%) 51 (17.4%) 48 (16.7%) 59 (22.3%) 42 (15.5%) 30 (19%)  
Trauma 13 (10.1%) 35 (16.1%) 28 (9.7%) 16 (6%) 31 (11.4%) 16 (10.1%)  
Underlying disease        0.2724
Smoker 44 (34.1%) 102 (47%) 103 (35.7% 75 (28.3%) 81 (29.9%) 51 (32.3%)  
Asthma 7 (5.4%) 13 (4.4%) 5 (1.7%) 19 (7.2%) 9(3.3%) 5 (3.2%)  
COPD 36 (27.9%) 83 (28.3%) 89 (30.9%) 63 (23.8%) 64 (23.6%) 38 (24%)  
Solid cancer 4 (3.1%) 36 (12.3%) 28 (9.7%) 28 (10.6%) 20 (7.4%) 12 (7.6%)  
Hematological cancer 7 (5.4%) 7 (2.4%) 10 (3.5%) 4 (1.5%) 9 (3.3%) 4 (2.5%)  
Immunosuppression 12 (9.3%) 25 (8.5%) 20 (6.9%) 19 (7.2%) 16 (5.9%) 6 (3.8%)  
Corticotherapy 9 (7%) 37 (12.6%) 28 (9.7%) 39 (14.7%) 27 (10%) 15 (9.5%)  
Diabetes 13 (10.1%) 38 (13%) 42 (14.6%) 34 (12.8%) 34 (12.5%) 17 (10.8%)  
Other NA NA NA 26 (9.8%) 26 (9.6%) 75 (47.4%)  
Cause of ventilation        0.0012
Hypoxia 50 (38.8%) 79 (27%) 95 (33%) 83 (31.3%) 80 (29.5%) 55 (34.8%)  
Hypercapnia 7 (5.4%) 39 (13.3%) 24 (8.3%) 19 (7.2%) 11 (4.1%) 16 (10.1%)  
Central nervous system 24 (18.6%) 47 (16%) 40 (13.9%) 32 (12.1%) 45 (16.6%) 19 (12%)  
Peripheral nervous system 0 (0%) 1 (0.3%) 2 (0.7%) 4 (1.5%) 5 (1.8%) 2 (1.3%)  
Trauma 7 (5.4%) 14 (4.8%) 12 (4.2%) 9 (3.4%) 14 (5.2%) 10 (6.3%)  
Circulatory problem 17 (13.2%) 38 (13%) 40 (17.4%) 40 (15.1%) 43 (15.9%) 17 (10.8%)  
Postoperative 17 (13.2%) 30 (10.2%) 59 (20.5%) 67 (25.2%) 63 (23.2%) 25 (15.8%)  
Other 7 (5.4%) 13 (1.1%) 16 (5.6%) 11 (4.1%) 10 (3.7%) 14 (8.9%)  
  1. IQR Interquartile range, ICU intensive care unit, COPD chronic obstruction pulmonary disease, NA not available