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Table 1 Baseline demographics and outcomes for enrolled patients versus all general ICU patients for same period

From: Quality of life in the five years after intensive care: a cohort study

Baseline demographics Enrolled patients All ICU patients
Median age (years) 60.5 64
Median APACHE II 18 18
Mean ICU length of stay (days) 6.7 5.8
Median ICU length of stay (days) 2.0 2.0
Female (%) 41% 41%
ICU mortality (%) 0% 23.8%
Surgical admission (%) 48% 51%
Medical admission (%) 39% 39%
Other admission (%) 13% 10%
Hospital mortality (%) 3.7% 31.1%
  1. There are no significant differences between enrolled and all ICU patient groups (all P > 0.05).
  2. APACHE II = acute physiology, age and chronic health evaluation II; ICU = intensive care unit.