Table 4.

Univariate and multivariate modelling of parameters describing ISR

Variables	Univariate analysis OR (95% CI)	P value	Multivariate analysis (95% CI)	p value
Male	1.6 (0.77–3.33)	0.21
Diabetes mellitus	1.86 (0.88–3.95)	0.11
Hypercholesterolemia	0.76 (0.36–1.61)	0.48
Smoking	0.52 (0.19–1.43)	0.2
Nephropathy	0	0.999
Treated hypertension	0.39 (0.14–1.08)	0.07
Previous myocardial infarction	0.52 (0.19–1.43)	0.2
Proximal pre-stent BA	1.03 (0.97–1.08)	0.33
Distal pre-stent BA	1.03 (0.97–1.09)	0.32
Pre-stent ACr	1.082 (1.017–1.15)	0.012	1.082 (1.017–1.15)	0.012
Proximal post-stent BA	1.06 (0.99–1.14)	0.11
Distal post-stent BA	1 (0.92–1.08)	0.97
Post-stent ACr	1.089 (0.982–1.207)	0.11
Change in proximal BA after stenting	1 (0.96–1.06)	0.75
Change in distal BA after stenting	0.98 (0.93–1.03)	0.35
Change in ACr after stenting	0.89 (0.81–0.98)	0.015	0.948 (0.799–1.125)	0.54

As an index of statistical significance, a p value < 0.05 was accepted and marked bold

ACr arc-chord ratio, BA bending angle, CI confidence interval