“…5 y risk of amputation or death * HR (95% CI) Amputation or death after 5 y e % Range 0e49 2003e2007, one year follow up), 20 the ERICVA simplified score (672 patients with CLTI, 2005e2010, one year follow up), 21 the COPART (COhorte de Patients ARTériopathes) risk score (184 patients with IC, 2002e2004, five year follow up), 22 Arruda-Olsen et al (1 676 patients with PAOD, 1998e2011, five year follow up), 23 or the SMART (Second Manifestations of Arterial Disease) risk score (5 788 patients with PAOD, 1996e2010, five year follow up). 24 and van Walraven et al 25 who developed a comorbidity score using a large administrative database from Canada to predict in hospital mortality (345 795 patients, 1996e2008, in hospital follow up).…”