Table 4

Predictors for Composite End Point

VariableUnivariate AnalysisMultivariate Analysis
OR (95% CI)p ValueOR (95% CI)p Value
Retrograde approach4.85 (1.43–16.48)0.013.56 (0.98–13.00)0.054
CART technique6.58 (1.25–34.95)0.03
CTO length, cm1.22 (0.94–1.58)0.14
Side branch arising from stump1.67 (0.53–5.26)0.38
Abrupt morphology of stump2.28 (0.63–8.26)0.21
Right coronary artery CTO5.32 (1.48–19.07)0.013.92 (1.02–15.03)0.046
Angiographic calcification4.20 (0.97–18.18)0.06
Pre-IVUS balloon use4.61(0.47–44.60)0.19

CART = controlled antegrade and retrograde subintimal tracking; CI = confidence interval; CTO = chronic total coronary occlusion; OR = odds ratio.