Reappraisal Value of a Modified Rotational Atherectomy Technique in Contemporary Coronary Angioplasty Era

Table 3

Predictors of major adverse cardiac events.

Variables	Univariate			Multivariable
	cHR	95% CI	value	aHR	95% CI	value
Demographic characteristics
Age (1-year increase)	0.99	0.97–1.01	0.523
Life behavior
Current smoker	1.02	0.70–1.49	0.923
Medical situation
Hypertension	1.51	0.81–2.80	0.170
Diabetes	1.66	1.29–2.14	<0.001	1.41	1.08–1.85	0.012
Hyperlipidemia	0.819	0.62–1.09	0.165
Hemodialysis	3.94	2.93–5.30	<0.001	3.34	2.44–4.58	<0.001
LVEF	0.97	0.96–0.98	<0.001	0.97	0.96–0.98	<0.001
Lesion characteristics
Reference vessel diameter	1.16	0.95–1.41	0.138
Lesion length	0.99	0.99–1.01	0.528
Treatment
PCI strategy
RA + DES	Ref			Ref
RA + DCB	2.38	1.47–3.86	<0.001	2.11	1.28–3.48	0.004
RA + POBA	1.84	1.42–2.40	<0.001	1.58	1.19–2.09	0.002
Max burr/artery ratio	1.78	0.82–3.86	0.144
MLD after PCI	0.92	0.74–1.15	0.461
Statin used	0.81	0.63–1.04	0.091

aHR, adjusted hazard ratios; CI, confidence interval; cHR, crude hazard ratios; DCB, drug-coated balloon; DES, drug-eluting stent; LVEF, left ventricular ejection fraction; MLD, minimal lumen diameter; POBA, plain old balloon angioplasty; RA, rotational atherectomy.