Table 5 Univariate and multivariable predictors of stent expansion

Age, years

1.021 (1.002–1.040)

0.026

0.996 (0.958–1.036)

0.842

Gender

1.183 (0.809–1.730)

0.387

Total stent length, mm

1.001 (0.989–1.014)

0.815

Maximum post dilation pressure, atm

1.106 (1.004–1.218)

0.041

1.105 (0.996–1.225)

0.059

Lesion length, mm

1.026 (1.006–1.047)

0.012

0.993 (0.946–1.042)

0.769

Minimum stent area, mm²

0.805 (0.725–0.894)

 < 0.001

0.887 (0.699–1.127)

0.327

Stent strut malaposition

1.8464 (1.261–2.754)

0.002

2.127 (0.947–4.774)

0.067

Tissue protrusion

2.425 (0.643–9.151)

0.191

Stent eccentricity

1.783 (0.549–5.797)

0.336