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Table 1 Descriptive results of all risk factors and outcomes for all 1,876 admissions

From: Risk factors for the development of nosocomial pneumonia and mortality on intensive care units: application of competing risks models

Variables   
Continuous: Mean SD
Age 60.0 18.4
SAPS II 35.2 18.7
Binary: Number Percentaqe
Female gender 764 40.72
Intubation on admission 848 45.20
Pneumonia on admission 220 11.73
LRT on admission 24 1.28
Urinary tract infection on admission 42 2.24
Other infections on admission 139 7.41
Hospitalization before admission 1,334 71.11
Surgical patients 433 23.08
Elective surgery before admission 883 47.07
Emergency surgery before admission 456 24.31
Cardial/pulmonary underlying disease 653 34.81
Neurological underlying disease 370 19.72
Metabolic/renal underlying disease 180 9.59
Other underlying disease 180 9.59
Time-dependent events (binary) Number of events Time (days) to event among those with event (Q25, median, Q75)
Discharge from ICU (alive) 1,632 (5,8,17)
Death in the ICU 214 (7,13,27)
Nosocomial pneumonia 158 (5,8,14)
Nosocomial blood stream infection 35 (7,13,26)
Nosocomial LRT 33 (5,6,10)
Ventilation 1,041 (1,1,1)
Chest drainage 366 (1,1,1)
Colostomy 44 (1,1,1)
Enterostomy 59 (1,1,1)
Jejunostomy 23 (1,1,10)
Nasogastric tube 1,263 (1,1,1)
Urinary catheter 1,608 (1,1,1)
  1. ICU, intensive care unit; LRT, lower respiratory tract infection (other than pneumonia); Q, quartile; SAPS, simplified acute physiology score.