Table 4.

Threshold effect analysis of stent diameter on TVR using piecewise liner regression

Stent diameter (mm)	OR	95% CI	P value
< 2.5	31.71	0.06 to 17982.29	0.285
2.5–2.9	0.01	0.01 to 0.13	< 0.001
> 2.9	0.95	0.40 to 2.29	0.911

Adjusted variables: male; age; diabetes mellitus; hypertension; atrial fibrillation; stroke; smoking; prior PCI; prior CABG; COPD; RCA; statin; glycemic value; length of stent and stent type