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Table 2 Baseline characteristics of ARDS survivors from two multicenter cohort studies

From: Screening for posttraumatic stress disorder in ARDS survivors: validation of the Impact of Event Scale-6 (IES-6)

Characteristic

ALTOSa

n = 815

ICAPb

n = 186

Male, n (%)

389 (48)

105 (56)

Race, n (%)

 White

655 (80)

107 (58)

 Black

121 (15)

75 (40)

 Other

39 (5)

4 (2)

Age mean (SD)c

49.5 (14.7)

49.1 (14.1)

Body mass index mean (SD)

30.8 (8.7)

28.2 (7.2)

APACHE II mean (SD)d

26.0 (8.4)

23.8 (8.1)

ICU length of stay median (IQR) e

10 (7, 16)

14 (10, 23)

Hospital length of stay mean (IQR)

17 (12, 26)

26 (16, 36)

Sample size at follow-up assessmentf (n)

 3 months

n/a

186

 6 months

804

186

 12 months

797

178

 24 months

n/a

163

 36 months

n/a

145

 48 months

n/a

138

 60 months

n/a

137

CAPSg

35

25

  1. aALTOS: Acute Respiratory Distress Syndrome (ARDS) Network Long-term Outcomes Study; bICAP: Improving Care of Acute Lung Injury (ALI) Patients; c- Mean (standard deviation); d-APACHE II—Acute Physiology and Chronic Health Evaluation; eMedian (Interquartile Range); fALTOS evaluated patients at 6- and 12-month time points only; the decrease in sample size over time for both ALTOS and ICAP studies was due to ongoing patient mortality along with loss to follow-up; g-CAPS: Clinician Administered PTSD Scale: 35 ALTOS patients with follow-up at 1 year and 25 ICAP patients followed up at 2, 3, 4, or 5 years