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Table 2 Odds of delirium based on COVID-19 severity and age among patients with COVID-19

From: COVID-19 severity and age increase the odds of delirium in hospitalized adults with confirmed SARS-CoV-2 infection: a cohort study

Characteristic Unadjusted Odds ratio (95% CI = 95% confidence interval); P-value Adjusted Odds ratio (95% CI = 95% confidence interval); P-value
COVID-19 severity*
  1–hospitalized, no oxygen therapy ref ref
  2–oxygen by mask or nasal prongs vs. 1–hospitalized, no oxygen therapy 1.9 (0.7, 5.2); p = 1.0 2.0 (0.6, 6.5); p = 0.6*
  3/4– ventilation or high-flow oxygen vs. 1–hospitalized, no oxygen therapy 3.5 (1.2, 10.7); p = 0.04 7.2 (1.9, 27.4); p = 0.003*
Age**
  Age < 45 years ref ref
  Age 45–65 years 2.8 (0.97, 7.9);
P = 0.99
2.4 (0.7, 7.5);
P = 0.64**
  Age > 65 years 7.5 (2.4, 23.9);
P = 0.002
8.7 (2.2, 33.5);
P = 0.003**
  1. *Adjusted for age, race, ethnicity
  2. **Adjusted for age, race, ethnicity, and COVID-19 severity classification