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Adjusted odds ratios (ORs) for the association of posttraumatic stress disorder (PTSD) and number of types of injury sustained on September 11, 2001, with diagnosed respiratory conditions in 2002–2007, World Trade Center Health Registry. Dark lines with diamonds indicate the presence of PTSD; gray lines with squares indicate the absence of PTSD. The reference category is no injury or PTSD. Bars, 95% confidence intervals.
