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Table 1 Baseline sociodemographic, clinical, and comorbidity data for patients younger than 65 years old admitted to the intensive care unit, stratified by frailty status

From: A prospective multicenter cohort study of frailty in younger critically ill patients

Variable Frail (n = 55, 28 %) Nonfrail (n = 142, 72 %) p Value
Age, years, mean ± SD 58.9 ± 4.1 58.4 ± 4.2 0.444
Sex, female, n (%) 28 (50.9) 44 (31.0) 0.009
Widowed, n (%) 4 (7.3) 7 (4.9) 0.504
Education, n (%)    0.039
 Less than secondary school 14 (25.5) 17 (12.0)  
 Secondary school 23 (41.8) 58 (40.8)  
 Higher-level degree 18 (32.7) 67 (47.2)  
Employment status, n (%)    
 Full-time 9 (16.4) 50 (35.2) 0.010
 Part-time 1 (1.8) 15 (10.6) 0.045
 On disability 28 (50.9) 31 (21.8) <0.001
Prehospital residence, n (%)    <0.001
 At home (independent) 23 (41.8) 123 (86.6)  
 At home (with help) 26 (47.3) 18 (12.7)  
 Other 6 (10.9) 1 (0.7)  
CSHA Function Scale score (n, %)    
 Eating (independent) 51 (92.7) 142 (100) 0.006
 Dressing (independent) 47 (85.5) 141 (99.3) <0.001
 Personal care (independent) 45 (81.8) 142 (100) <0.001
 Walking (independent) 35 (63.6) 134 (94.4) <0.001
 Getting out of bed (independent) 40 (72.7) 141 (99.3) <0.001
 Taking bath (independent) 37 (67.3) 140 (98.6) <0.001
 Using toilet (independent) 49 (89.1) 140 (98.6) 0.007
 Using telephone (independent) 52 (94.5) 142 (100) 0.021
 Going shopping (independent) 25 (45.5) 133 (93.7) <0.001
 Preparing own meals (independent) 29 (52.7) 138 (97.2) <0.001
 Doing housework (independent) 26 (47.3) 132 (93.0) <0.001
 Taking medicine (independent) 40 (72.7) 133 (93.7) <0.001
 Managing own finances (independent) 46 (83.6) 138 (97.2) 0.002
Elixhauser comorbidity score, mean ± SD 8.7 ± 9.1 6.6 ± 7.6 0.098
 Hypertension 26 (47.3) 73 (51.4) 0.602
 Heart failure 10 (18.2) 9 (6.3) 0.012
 Diabetes mellitus 18 (32.7) 31 (21.8) 0.112
 Chronic kidney disease 13 (23.6) 23 (16.2) 0.225
 Rheumatoid/connective tissue disease 20 (36.4) 13 (9.2) <0.001
 Any cancer 5 (9.1) 16 (11.3) 0.657
 Alcohol/drug abuse 16 (29.1) 50 (35.2) 0.414
 Psychosis 3 (5.5) 4 (2.8) 0.401
 Depression 18 (32.7) 38 (26.8) 0.405
Prescription medications, n, mean ± SD 8.8 ± 6.2 5.1 ± 4.3 <0.001
Hospitalization in preceding 1-year period, mean ± SD 34 (61.8) 46 (32.4) <0.001
  1. CSHA Canadian Study on Health and Aging
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