In each panel, the dashed vertical line is the point estimate of the hazard ratio for the analysis. Gleason scores range from 3 to 10, with higher scores indicating more aggressive disease, less differentiated tumor, and worse prognosis. The World Health Organization (WHO) performance status was scored on a scale of 0 to 4, with higher numbers indicating greater disability. Time period was defined by corecruiting group; ABCEG corresponds to November 2011 through January 2013, ABCEGH January 2013 through March 2013, and AGH April 2013 through January 2014. NSAID denotes nonsteroidal antiinflammatory drug.