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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)

CharacteristicALTOSa
n = 815
ICAPb
n = 186
Male, n (%)389 (48)105 (56)
Race, n (%)
 White655 (80)107 (58)
 Black121 (15)75 (40)
 Other39 (5)4 (2)
Age mean (SD)c49.5 (14.7)49.1 (14.1)
Body mass index mean (SD)30.8 (8.7)28.2 (7.2)
APACHE II mean (SD)d26.0 (8.4)23.8 (8.1)
ICU length of stay median (IQR) e10 (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 monthsn/a186
 6 months804186
 12 months797178
 24 monthsn/a163
 36 monthsn/a145
 48 monthsn/a138
 60 monthsn/a137
CAPSg3525
  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