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Table 5 IVUS stent lengths vs manufacturer box-stated stent length

From: Longitudinal stent elongation or shortening after deployment in the coronary arteries: which is dominant?

 

Box-stated length

E-E length

p

A-A length

p*

Average IVUS length

p

Elongated stent group, mm

19.3 ± 5.7

21.2 ± 6.2

<0.001

20.7 ± 6.3

<0.001

19.7 (16.2–24.3)

<0.001

Shortened stent group, mm

19.9 ± 4.7

18.5 ± 4.3

0.05

18.2 ± 4.4

0.04

17.4 (14.7–22.7)

0.001

  1. Data provided as mean ± SD or median (IQR)
  2. A-A length area-to-area stent length, E-E length edge-to-edge stent length, IVUS intravascular ultrasound
  3. *p denotes A-A stent length vs box-stated stent length
  4. p denotes average IVUS stent length vs box-stated stent length [in the elongated stent group = 19.7 (16.2–24.3) vs 18.0 (15–23) and in the shortened stent group = 17.4 (14.7–22.7) vs 18.0 (15.8–23.8)]