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Table 2 Patient characteristics for survivors and nonsurvivors

From: Cost of intensive care in a Norwegian University hospital 1997–1999

Group Dead at lessthan 18 months Alive after 18 months or more All patients
Patients 411 640 1051
ICU stay 500 674 1174
Mean ICU stay (days) (SD) 5.9 (10.9) 5.1 (8.5) 5.5 (9.6)
Mean age (years) 59.1 42.8 49.2
SAPS II (mean) 54.8 36.1 44.2
Mean ventilator days (SD) 5.5 (10.5) 5.0 (8.0) 5.3 (9.3)
Estimated mortality - - 36.9%
Dead in the ICU - - 198
Dead in hospital (%) - - 308 (29.3%)
Standardised mortality ratio - - 0.79
  1. ICU, intensive care unit; SAPS II, simplified acute physiology score, version II; SD, standard deviation.