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Table 1 Baseline characteristics of ICU patients’ spouses and matched individuals

From: Association between intensive care unit admission of a patient and mental disorders in the spouse: a retrospective matched-pair cohort study

Characteristics ICU patients’ spouses
(n = 8490)
Matched individuals
(n = 33,946)
P value
Age, years, mean (SD) 53.8 (9.9) 53.8 (9.9) 0.98
Male 2996 (35.3) 11,981 (35.3) 0.99
Medical insurance    0.98
 Independents 3108 (36.7) 12,421 (36.6)  
 Dependents 5382 (63.4) 21,525 (63.4)  
History of sleep disorders 827 (9.7) 2883 (8.5)  < 0.001
History of mood disorders 370 (4.4) 1275 (3.8) 0.01
History of anxiety disorders 279 (3.3) 1039 (3.1) 0.28
Charlson comorbidity index    0.46
 0 5336 (62.9) 21,599 (63.6)  
 1 1250 (14.7) 5028 (14.8)  
 2 860 (10.1) 3341 (9.8)  
 3 468 (5.5) 1829 (5.4)  
 ≥ 4 576 (6.8) 2149 (6.3)  
Withdrew insurance within 6 months 1774 (20.9) 5183 (15.3)  < 0.001
  1. Unless otherwise stated, data are presented as number (%)
  2. ICU intensive care unit; SD standard deviation