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Some patients have lingering symptoms after recovery from acute COVID-19. To assess post–COVID-19 illness more comprehensively, investigators from the U.S. Department of Veterans Affairs (VA) compared 73,000 people who survived ≥30 days after diagnosis of COVID-19 and nearly 5 million nonhospitalized people without COVID-19. Average follow-up was 4 months.
All analyses were adjusted for potential confounding variables — including sociodemographic factors and past use of healthcare in the VA system. Risk for new diseases was much higher post-COVID-19. Adjusted hazard ratios were: myopathies (5.1), respiratory failure (3.9), and pneumothorax (2.8); HRs were in the 1.3-to-1.9 range for pulmonary embolus, coagulation and hemorrhagic disorders, c…