Optimal use of fielder XT guidewire enhances the success rate of chronic total occlusion percutaneous coronary intervention

Table 1 Parameters predicting success of chronic total occlusion-percutaneous coronary intervention

	β coefficient	Wald	Exp (β)	P-value	95%CI of OR
Clinical predictors
Sex, male	-0.559	7.780	0.572	0.016	0.363~0.902
Systolic blood pressure	0.012	6.405	1.012	0.011	1.003~1.022
NYHA class	-0.307	4.445	0.735	0.035	0.553~0.979
Contrast amount	-0.009	5,555	0.991	0.018	0.983~0.998
Lesion-related predictors
Occlusion time	-0.003	6.848	0.997	0.009	0.994~0.999
Blunt stump	-1.382	6.192	3.982	0.013	1.341~11.862
Use of Fielder XT	0.513	8.060	1.670	0.005	1.172~2.380
Constant	-5.668	0.127	0.003	0.722

NYHA: New York Heart Association; CI: Confidence interval; OR: Odds ratio.