Clinical variables of the patients included in the clinical validation study.

Data are means ± SD or counts (percentage). Abbreviations: BMI, body mass index; BNP, brain natriuretic peptide; cTnI, cardiac troponin I; PE, pulmonary embolism; RV, right ventricle. *Active or under treatment in the last year. †In the previous month. ‡Immobilized patients are defined in this analysis as non-surgical patients who had been immobilized (i.e., total bed rest with bathroom privileges) for ≥4 days in the month prior to PE diagnosis.