Table 1. Characteristics of included studies.

Study	Study design	Patients	Primary outcome	Index tests	Anticoagulation allowed
Weeda et. al 9	Retrospective	573 in the 30-day mortality cohort; Mean age 64 years old	In-hospital and 30-day mortality	Hestia , sPESI , PESI, IMPACT	Not mentioned
Vanni et. al 10	Prospective	547; 178 had early discharge upon decision of the attending physician; Mean age 76 years old	Recurrence of symptomatic venous thromboembolism, major hemorrhage, and 30-day mortality	Hestia , sPESI	Unfractionated heparin, low molecular weight heparin, fondaparinux, warfarin and direct oral anticoagulants
Quezada et. al 11	Prospective	488; Mean age 74 years old	30-day mortality	Hestia , sPESI , PESI, Clinical Gestalt	Not mentioned

Abbreviations: IMPACT, In-hospital mortality for pulmonary embolism using claims data; PESI, pulmonary embolism severity index; sPESI, simplified pulmonary embolism severity index.