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Table 1 Characteristics of patients with ARDS caused by SARS-CoV-2 or influenza A/B. For laboratory data, maximum values are shown. p value reported in bold if difference is significant (p < 0.05). Data are given as mean ± standard deviation or number of patients (percent of all patients in group). aStudent’s t test; bWelch t test, cchi-square test; dFisher’s exact test

From: Is delirium a specific complication of viral acute respiratory distress syndrome?

  Influenza (N = 16) COVID-19 (N = 20) p
Age 54.31 ± 12.36 65.48 ± 10.99 0.007a
Female 5 (31.3%) 4 (20.0%) 0.470d
ICU stay (days) 19.85 ± 12.09 21.05 ± 11.77 0.765a
Death 0 (0%) 2 (10.0%) 0.492d
Severe ARDS 11 (68.8%) 9 (45.0%) 0.154c
Days of invasive ventilation 18.28 ± 15.61 15.47 ± 10.34 0.522a
TISS 10 16.63 ± 5.73 15.25 ± 6.77 0.521a
SAPS 2 40.38 ± 9.88 44.70 ± 11.13 0.232
Noradrenalin > 1 mg/h 8 (50.0%) 10 (50%) 1.000
Renal replacement therapy 4 (25.0%) 6 (30.0%) 1.000
Lactat mmol/l 3.35 ± 1.82 3.07 ± 2.23 0.369
CRP mg/dl 302.99 ± 96.89 257.34 ± 84.46 0.140
Procalcitonin ng/ml 59.22 ± 106.43 17.19 ± 33.46 0.159
Delirium 12 (75.0%) 13 (65.0%) 0.718
Delirium duration (days) 2.83 ± 2.44 5.08 ± 4.29 0.126
NuDesc score at maximum 3.67 ± 1.78 5.15 ± 2.58 0.109
Delirium onset after extubation (days) 0.80 ± 1.55 0.50 ± 1.08 0.622