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Table 1 Comparison of socio-demographic characteristics and medical background between the study sub-groups for elderly patients only

From: Elderly patients undergoing mechanical ventilation in and out of intensive care units: a comparative, prospective study of 579 ventilations

Variable ICU ventilations
N = 283
Non-ICU ventilations
N = 296
P
Age (years)    
   Mean ± SD 75.0 ± 6.3 79.2 ± 7.6 < 0.001
   Range 65-99 65-107  
Males (N [%]) 124 (43.8) 148 (50.0) 0.09
Charlson score (mean ± SD) 4.1 ± 2.4 4.0 ± 2.5 0.52
Hospitalization from nursing setting (N [%]) 4 (1.4) 44 (14.9) < 0.001
Home oxygen therapy (N [%]) 25 (8.8) 49 (16.6) 0.02
Previous mechanical ventilation (N [%]) 12 (4.2) 40 (13.5) < 0.001
*Motor FIM (mean ± SD) 73.4 ± 16.7 51.3 ± 24.1 < 0.001
†Cognitive FIM (mean ± SD) 31.5 ± 4.4 24.5 ± 8.8 < 0.001
Total FIM (mean ± SD) 104.9 ± 19.5 75.8 ± 31.2 < 0.001
Distribution of functional status by grouped FIM score:    
Fully dependent - FIM < 60 (N [%]) 14 (5) 114 (38)  
Needs a lot of help - 60 ≤ FIM < 90 (N [%]) 35 (12) 79 (27) < 0.001
Needs a little help/independent - FIM ≥ 90 (N [%]) 234 (83) 103 (35)  
Acute Physiology Score (APS) points (mean ± SD) 13.8 ± 6.4 15.0 ± 5.0 0.02
Age points (mean ± SD) 5.5 ± 0.5 5.6 ± 0.5 < 0.001
Chronic health points (mean ± SD) 1.9 ± 2.4 1.4 ± 2.2 0.06
Total APACHE II score (mean ± SD) 21.2 ± 7.1 22.0 ± 5.8 0.06
  1. *Motor FIM - sum of scores for: self care + sphincter control + mobility + locomotion
  2. †Cognitive FIM - sum of scores for: communication + social cognition