Predictors Subsets Patients with endpoint, n/N (%) Unadjusted HR (95% CI) p value
Nano-intervention Nano Stent Prox 2/6 (33.3%) 1.00 NA
Nano Pre-dilat 2/9 (22.2%) 0.67 (0.44-0.91) 0.03
Nano No prep 15/45 (33.3%) 1.00 (0.77-1.25) NS
Ferro Stent Prox 2/7 (28.6%) 0.86 (0.77-1.04) NS
Ferro Pre-dilat 7/11 (63.6%) 1.91 (1.17-2.15) NS
Ferro No prep 18/42 (42.9%) 1.29 (0.86-1.69) NS
Stenting proximal to the site of nano-intervention Nano Stent Prox 2/6 (33.3%) 0.56 (0.05-1.12) NS
Ferro Stent Prox 2/7 (28.6%) 0.48 (0.11-1.05) NS
Stent Control 6/10 (60.0%) 1.00 NA
Balloon pre-dilatation of the target lesion Nano Pre-dilat 2/9 (22.2%) 0.44 (0.05-0.90) 0.03
Ferro Pre-dilat 7/11 (63.6%) 1.27 (1.08-1.49) 0.03
Stent Control 30/60 (50.0%) 1.00 NA
No preparation of the target lesion Nano No prep 15/45 (33.3%) 0.79 (0.64-1.09) NS
Ferro No prep 18/42 (42.9%) 1.00 NA
Stent Control 0 (0%) NA NA
Diabetes Nano Stent Prox 2/2 (100%) 1.09 (0.32-1.66) NS
Nano Pre-dilat 2/2 (100%) 1.09 (0.32-1.66) NS
Nano No prep 4/4 (100%) 1.09 (0.52-1.10) NS
Ferro Stent Prox 6/6 (100%) 1.09 (0.66-1.55) NS
Ferro Pre-dilat 3/3 (100%) 1.09 (0.35-1.44) NS
Ferro No prep 9/10 (90.0%) 0.98 (0.97-1.01) NS
Stent Control 11/12 (91.7%) 1.00 NA
Heart failure Nano Stent Prox 2/6 (33.3%) 1.33 (1.10-1.60) 0.03
Nano Pre-dilat 2/9 (22.2%) 0.89 (0.58-1.13) NS
Nano No prep 7/44 (15.9%) 0.64 (0.46-1.01) NS
Ferro Stent Prox 2/7 (28.6%) 1.14 (0.79-1.35) NS
Ferro Pre-dilat 5/11 (45.5%) 1.82 (1.34-2.26) <0.01
Ferro No prep 9/42 (21.4%) 0.86 (0.77-0.95) 0.04
Stent Control 15/60 (25.0%) 1.00 NA
Previous or simultaneous PCI Nano Stent Prox 2/6 (33.3%) 0.33 (0.28-0.43) <0.01
Nano Pre-dilat 2/2 (100%) 1.00 (0.65-1.22) NS
Nano No prep 0 (0%) NA NA
Ferro Stent Prox 2/7 (28.6%) 0.29 (0.20-1.18) NS
Ferro Pre-dilat 0 (0%) NA NA
Ferro No prep 0 (0%) NA NA
Stent Control 10/10 (100%) 1.00 NA
Male Nano Stent Prox 2/2 (100%) 1.53 (1.16-1.81) 0.02
Nano Pre-dilat 2/2 (100%) 1.53 (1.16-1.81) 0.02
Nano No prep 15/41 (36.6%) 0.56 (0.48-1.12) NS
Ferro Stent Prox 1/1 (100%) 1.53 (1.06-2.00) 0.04
Ferro Pre-dilat 1/4 (25.0%) 0.38 (0.26-1.19) NS
Ferro No prep 18/39 (46.2%) 0.71 (0.48-1.16) NS
Stent Control 30/46 (65.2%) 1.00 NA
Smoking Nano Stent Prox 2/4 (50.0%) 1.17 (0.97-1.24) NS
Nano Pre-dilat 2/6 (33.3%) 0.78 (0.51-1.32) NS
Nano No prep 14/36 (38.9%) 0.91 (0.82-0.99) 0.048
Ferro Stent Prox 2/4 (50.0%) 1.17 (0.99-1.32) NS
Ferro Pre-dilat 3/6 (50.0%) 1.17 (1.09-1.22) 0.03
Ferro No prep 15/27 (55.6%) 1.29 (1.21-1.36) 0.01
Stent Control 18/42 (42.9%) 1.00 NA
Alcohol abuse Nano Stent Prox 2/4 (50.0%) 0.83 (0.71-0.97) 0.04
Nano Pre-dilat 2/5 (40.0%) 0.67 (0.47-0.93) 0.04
Nano No prep 15/20 (75.0%) 1.25 (0.86-1.66) NS
Ferro Stent Prox 2/5 (40.0%) 0.67 (0.56-0.92) 0.03
Ferro Pre-dilat 7/7 (100%) 1.67 (0.96-2.32) NS
Ferro No prep 16/25 (64.0%) 1.07 (0.65-1.42) NS
Stent Control 15/25 (60.0%) 1.00 NA
Hypertension Nano Stent Prox 1/6 (16.7%) 0.30 (0.21-0.79) <0.01
Nano Pre-dilat 1/9 (11.1%) 0.19 (0.11-0.89) 0.03
Nano No prep 4/37 (10.8%) 0.19 (0.12-0.42) <0.01
Ferro Stent Prox 2/7 (28.6%) 0.51 (0.29-0.74) <0.01
Ferro Pre-dilat 7/11 (63.6%) 1.14 (0.71-1.57) NS
Ferro No prep 18/31 (58.1%) 1.04 (0.97-1.06) NS
Stent Control 30/54 (55.6%) 1.00 NA
NS – non-significant (p<0.05), NA – non-available, or non-applicable
Table 4: Multivariate predictors of MACE at 5-year follow-up.