did not reach statistical significancep = 0.0888
Among the 3 treatment groups, the proportion of patients with PE with or without lower-extremity DVT was highest (84%) in the LMWH group, but did not reach statistical significance (p = 0.0888). 555 patients had information about the anatomic sites of 861 involved vessels. 604 (70.2%) of 861 documented vessels were large vessels such as main or segmental pulmonary arteries and proximal veins of popliteal vein up to femoral and iliac vein.