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Table 2 Demographics of the selected cohort of ICU stays from each database, grouped by gender

From: Vital-sign circadian rhythms in patients prior to discharge from an ICU: a retrospective observational analysis of routinely recorded physiological data

 

MIMIC-III

eICU-CRD

PICRAM

Age group

Men

Women

Men

Women

Men

Women

Breakdown of no. (%) of ICU stays in the selected cohort by age group

15–44

1395 (11.8)

1095 (9.2)

3670 (10.4)

3574 (10.2)

412 (12.5)

390 (11.9)

45–64

3054 (25.7)

1869 (15.7)

7991 (22.7)

6089 (17.3)

621 (18.9)

486 (14.8)

65+

2608 (22.0)

1851 (15.6)

7572 (21.5)

6238 (17.8)

844 (25.7)

528 (16.1)

Total

7057 (59.4)

4815 (40.6)

19,233 (54.7)

15,901 (45.2)

1877 (57.2)

1404 (42.8)

Median (IQR) ICU LOS*(days)

15–44

2.1 (2.1)

2.1 (1.8)

1.9 (1.6)

1.8 (1.5)

3.6 (5.2)

3.2 (5.2)

45–64

2.1 (1.8)

2.1 (1.7)

2.0 (1.7)

2.0 (1.6)

3.8 (6.8)

3.3 (4.8)

65+

2.1 (1.7)

2.0 (1.6)

1.9 (1.6)

1.9 (1.5)

3.1 (4.2)

3.7 (4.5)

Overall

2.1 (1.8)

2.1 (1.7)

1.9 (1.6)

1.9 (1.5)

3.4 (5.0)

3.5 (4.7)

Median (IQR) OASIS

15–44

25 (11)

25 (10)

24 (11)

24 (12)

33 (15)

30 (16)

45–64

26 (9)

27 (10)

25 (12)

26 (12)

33 (16)

33 (17)

65+

28 (9)

29 (9)

27 (11)

29 (11)

33 (18)

34 (18)

Overall

27 (10)

27 (10)

26 (12)

27 (12)

33 (17)

33 (16)

  1. *Length of stay