Pulmonary embolism on chest CT was associated with higher GRP78 plasma level (1949.0 [1865.0;2083.0] vs. 1507.6 [1139.2;1877.8] pg./mL; p = 0.0298) but we found no association between GRP78 plasma level and gender, and history of diabetes or hypertension. The gene discussed is HSPA5; the disease is diabetes mellitus.