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Table 2 Selected patient characteristics and outcomes, by decade of age

From: Age and decisions to limit life support for patients with acute lung injury: a prospective cohort study

  Patient age
  <40 40 to 49 50 to 59 60 to 69 70 to 79 ≥80
Number of patients (n) 94 125 236 74 45 26
Charlson Comorbidity Index 1 (0 to 4) 2 (1 to 4) 2 (1 to 4) 3 (1 to 4) 3 (2 to 4) 3 (2 to 4)
Functional Comorbidity Index 1 (0 to 1) 1 (0 to 2) 1 (0 to 3) 2 (1 to 3) 3 (2 to 4) 3 (1 to 4)
APACHE II score at ICU admissiona 24 (20 to 33) 24 (19 to 33) 28 (21 to 33) 27 (20 to 34) 28 (20 to 36) 29 (21 to 35)
First eventb        
 Cardiac arrest 15 13 13 8 13 15
 ICU discharge 60 58 41 43 38 23
 Limitation in life support 26 30 45 49 49 62
Days from ALI onset to limitation in life supportc 8 (6 to 19) 7 (3 to 19) 9 (3 to 16) 7 (3 to 13) 4 (2 to 10) 11 (4 to 16)
  1. Data presented as median (interquartile range) or percentage, unless otherwise stated. ALI, acute lung injury; APACHE, Acute Physiology and Chronic Health Evaluation. aAPACHE II scores include points awarded for patient age. After removing these points, the median and interquartile range of scores for each age category are as follows: <40, 24 (20 to 33); 40 to 49, 23 (18 to 32); 50 to 59, 25 (18 to 31); 60 to 69, 22 (16 to 29); 70 to 79, 23 (15 to 30); ≥80, 23 (15 to 29). bProportions may not sum to 100% due to rounding. cAmong patients with a limitation in life support before ICU discharge or cardiac arrest.