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Table 1 Baseline characteristics

From: Carriage of antibiotic-resistant Gram-negative bacteria after discontinuation of selective decontamination of the digestive tract (SDD) or selective oropharyngeal decontamination (SOD)

  SOD (n = 489) SDD (n = 507) p value
Characteristic
 Mean age (mean + SD) (years) 59.5 + 15.6 59.6 + 15.3 0.93
 Male (%) 61.0 63.3 0.51
 Planned ICU admission (%) 22.2 16.1 0.03
 Surgical 47.0 48.6 0.18
 Medical 53.0 51.4 0.18
 Apache IV score 75.9 ± 26.3 73.2 ± 27.3 0.22
Referring speciality (%)
 Cardiology 8.6 7.3 0.92
 Internal medicine 13.6 9.4 0.19
 Pulmonology 3.2 4.3 0.30
 Neurology 5.8 10.0 0.01
 Surgery 20.0 19.0 0.73
 Thoracic surgery 27.4 17.7 0.01
 Neurosurgery 7.8 10.4 0.07
 Other 13.6 21.9 0.01
 Mechanical ventilation (%) 90.5 90.7 0.96
 CPR before ICU admission 9.0 11.6 0.24
 Acute renal failure 9.2 7.9 0.56
 Stroke 5.7 9.3 0.06
 Confirmed infection at ICU admission 27.1 31.0 0.23
 COPD 7.7 9.1 0.54
 Diabetes mellitus 11.5 15.4 0.11
 Chronic renal failure 5.3 7.7 0.19
 Chronic dialysis 1.5 1.2 0.85
 Metastasized cancer 2.4 1.9 0.73
 Cirrhosis 1.5 0.9 0.61
 Immune deficiency 10.5 9.8 0.96
 Hematologic cancer 4.0 3.7 0.99
 Heart failure III-IV/IV NYHA 7.5 6.1 0.48
 Resp. failure III-IV/IV NYHA 5.9 5.1 0.70
 ICU length of stay (days) 13.4 ± 13.8 12.8 ± 12.4 0.52
 Hospital survival (%) 87.9 87.9 0.92
  1. SDD selective decontamination of the digestive tract, SOD selective oropharyngeal decontamination, APACHE Acute Physiology and Chronic Health Evaluation, CPR cardiopulmonary resuscitation, COPD chronic obstructive pulmonary disease, NYHA New York Heart Association, Resp. respiratory