Patient Exclusion Criteria.
Patient Exclusion Criteria.
| Exclusion Criteria | 
|---|
| Inconclusive CT results (“suspicion of pulmonary embolism”) | 
| 
 | 
| Chronic PE | 
| 
 | 
| Incomplete clinical data | 
| 
 | 
| Underwent multiple CTs to rule out PE during hospitalization | 
| 
 | 
| Age-adjusted normal D-dimer levels tenfold below patient’s age * | 
| CT performed outside of the emergency or internal medicine department within first 48 h of hospitalization | 
| No biomarker or D-dimer blood sample acquired during the 48 hours before CT | 
| Padua score not calculated on admission to ward† |