BackgroundDisparity is believed to exist between generic Utstein etiological classifications of 2004 and 2015 when compared with confirmed etiologies, but the impact of this disparity on reported surv
Previous grouping of the original CVI patients (0–4) and after re-grouping of patients in Cohort 1 (A-D). The groups represents both the groups of patients from the previous CVI study (Groups 0–4) and