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Figure 4 Morphometric Analysis of Uncovered Strut Area (mm²) Among Comparator DES and BMS Control Stents

The summary table (A) shows the total area (mm²) of uncovered struts was significantly greater in SES, PES, and ZES compared to MULTI-LINK Vision, especially at 14 days. Panel B represents a series of line graphs representing the quantitative distribution of uncovered struts at each repeat crowns along the longitudinal axis of the stent from proximal to distal. Uncovered struts were more prevalent in the middle regions of most stents, except for SES at 14 days where uncovered struts were prominent along the entire stent length. Analysis of 28-day stents shows a persistent lack of strut coverage in the midsegment of SES and PES compared with BMS. Abbreviations as in Figure 1.