NPPB and deep vein thrombosis: However, no significant intergroup differences were noted in terms of male sex, smoking, BMI, respiratory rate, chronic lung disease, diabetes mellitus, hypertension, cerebrovascular disease, localization of thrombosis in PCTA, LVEF, PASP, admission blood gas analysis, D-dimer levels, troponin I levels, NT-proBNP, white blood cell count, hemoglobin levels, or platelet count.