Table 13.
The ‘Canadian Study of Health and Aging’ (CHSA) Clinical Frailty Scale, based on comprehensive geriatric assessment including structured interview (http://www.csha.ca and Ref.338).
The decision to anticoagulate frail patients depends on multiple aspects (see text for details). While fit or mild frailty per se generally does not pose a problem (green), severe frailty and terminal illness typically indicate a contraindication to anticoagulation (red).