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Table 1 Demographic information

From: Critical illness among patients experiencing homelessness: a retrospective cohort study

Variable

Cohort (n = 47,848)

Ever homeless (n = 1086)

Stable housing (n = 46,762)

p values

Basic demographics

 Age, median (IQR)

62 (52, 73)

50 (39, 59)

63 (52, 73)

 < 0.001

 Male, n (%)

30,316 (63.4)

744 (68.5)

29,572 (63.2)

 < 0.001

ICU admission diagnosis, n (%)

 Medical

12,901 (27.0)

646 (59.5)

12,255 (26.2)

 < 0.001

 Surgical

2269 (4.7)

76 (7.0)

2193 (4.7)

 

 Neurological

5275 (11.0)

82 (7.6)

5193 (11.1)

 

 Trauma

1434 (3.0)

89 (8.2)

1345 (2.9)

 

 Cardiac: non-surgical (CCU)

19,309 (40.4)

149 (13.7)

19,160 (41.0)

 

 Cardiac: surgical (CVICU)

5733 (12.0)

27 (2.5)

5706 (12.2)

 

 Unknown

927 (1.9)

17 (1.6)

910 (1.9)

 

Comorbidities, n (%)a

 Diabetes

12,758 (26.7)

242 (22.3)

12,516 (26.8)

 < 0.001

 Chronic lung disease

4682 (9.8)

137 (12.6)

4545 (9.7)

0.001

 Chronic kidney disease

1910 (4.0)

31 (2.9)

1879 (4.0)

0.053

 Liver disease

1998 (4.2)

134 (12.3)

1864 (4.0)

 < 0.001

 Cancer

3533 (7.4)

22 (2.0)

3511 (7.5)

 < 0.001

 Chronic heart or peripheral vascular disease

19,136 (40.0)

215 (19.8)

18,921 (40.5)

 < 0.001

 Neurological disease

3207 (6.7)

67 (6.2)

3140 (6.7)

0.48

 Comorbidity scores

 Charlson 0, n (%)

14,196 (29.7)

477 (43.9)

13,719 (29.3)

 < 0.001

 Charlson 1, n (%)

14,531 (30.4)

266 (24.5)

14,265 (30.5)

 

 Charlson ≥ 2, n (%)

19,121 (40.0)

343 (31.6)

18,778 (40.2)

 

 APACHE II on admission, median (IQR)*

17 (12–24)

17 (12–24)

17 (12–24)

0.59

  1. *APACHE II had missing data (mostly for patients in the coronary care units); cohort n = 27,789, ever homeless n = 922, stable housing n = 26,867
  2. aComorbidities recorded in eCritical