Altogether, 277 patients died within 30 days after the procedure. Women were older than men. The comorbidity score was associated with male sex and mortality. There was no significant race difference in unadjusted or adjusted 30-day mortality after interruption of the vena cava. Unadjusted mortality was higher in men than in women (odds ratio, 1.49; 95% confidence interval [CI]=1.15, 1.92)