Comparing apples with oranges: The funfair of statistics

The CHA2DS2-VASc score estimates the risk of stroke in patients with atrial fibrillation.1,2 The CHA2DS2-VASc score accounts for congestive heart failure; hypertension; age of at least 75  years (doubled); diabetes mellitus; previous stroke, transient ischemic attack or thromboembolism (doubled); vascular disease; age 65 to 74 years; and sex category (female). Should the CHA2DS2-VASc score be considered as a categorical or a continuous factor, if the patients have an incremental in crease in risk of death, stroke, or bleeding?
Source: The Journal of Thoracic and Cardiovascular Surgery - Category: Cardiovascular & Thoracic Surgery Authors: Tags: Editorial Commentary Source Type: research