Stair climbing test in lung resection candidates with low predicted postoperative FEV1.

38% as shown in Table 1 in my article.2 I apologize for this error. Their findings,1 coupled with the other reports of the mortality of untreated PE,3–6 would indicate that the mortality of untreated PE is approximately 30%. Given the fact that the mortality of PE in patients treated with heparin and warfarin is 5%,7,8 it is unlikely that there will be additional randomized clinical trials comparing heparin to placebo in patients with PE, or additional reports of the mortality of untreated PE.