Table 2 Scanning electron microscope analysis of polymer coating damage.

From: Comparison of overexpansion capabilities and thrombogenicity at the side branch ostia after implantation of four different drug eluting stents

Ā 

Bioss

Ultimaster

Biomime

Xience

P value

SEM coating analysis

Category 1

6.5 (5.5–13.5)

2.0 (1.5–6.8)

10.0 (7.8–13.8)

10.5 (9.3–15.0)

> 0.05

Category 2

0.5 (0.0–1.5)

0.0 (0.0–1.3)

7.0 (6.0–17.5)

7.0 (6.5–8.0)

< 0.05

Category 3

0.0 (0.0–0.3)b

1.0 (0.0–3.3)

8.5 (3.8–18.8)

3.5 (3.0–6.0)

< 0.05

Category 4

Nonea,b

23.0 (18.8–34.3)

33.0 (25.5–37.0)

9.0 (4.5–14.3)

< 0.05

  1. Values are presented as median (interquartile range).
  2. aIf p < 0.05 from Ultimaster.
  3. bIf p < 0.05 from Biomime.