Table 1.
Variable | Points |
---|---|
Age >80 years | 1 |
History of cancer | 1 |
History of heart failure or chronic lung disease | 1 |
Pulse rate ≥110 bpm | 1 |
Systolic blood pressure <100 mmHg | 1 |
Oxygen saturation <90 % on room air | 1 |
Patients with none of the clinical variable (i.e., total score of 0) are considered as low risk and have mortality and pulmonary embolism-related complication rates significantly lower as those with a score of ≥1