Table 5

Qualitative IVUS Analysis

ZES (n = 100)PES (n = 98)p Value
Tissue prolapse, n1025<0.01
Stent edge dissection, n
 Proximal edge/distal edge0/01/0NS
ISA
ISA at baseline, n1214NS
 Resolved ISA87NS
 Persistent ISA47NS
Late ISA, n13NS

ISA = incomplete stent apposition; other abbreviations as in Table 1.