“…Various angiographic and runoff scoring systems have been described, and each has different characteristics, strengths, weakness, and purposes. 1,5,7,[9][10][11][12]16 As discussed above, the purpose of the present study was to describe the angiographic patterns of disease in the BASIL cohort as a whole and in the two arms separately. The purpose was not to try to relate procedural (BSX or BAP) outcomes to the anatomic severity and extent of disease or, specifically runoff; those analyses are ongoing and will be the subject of a further separate report in due course.…”