Table 4 IVUS and manufacturer stent lengths by groups

 Box-stated stent length, mm

19.3 ± 5.7

19.9 ± 4.7

17.7 ± 6.4

0.49

 Predicted forshortened stent length, mm

18.4 ± 4.9

19.5 ± 4.7

16.0 ± 3.8

0.1

 (E-E) stent length, mm

21.2 ± 6.2

18.5 ± 4.3

18.1 ± 6.5

0.08

 (A-A) stent length, mm

20.7 ± 6.3

18.2 ± 4.4

17.2 ± 6.6

0.06

 Average IVUS stent length, mm

19.7 (16.2–24.3)*

17.4 (14.7–22.7)

17.7 (14.7–18.3)

0.01

 (E-E) stent length - box-stated stent length, mm

1.9 ± 1.4*

(−)1.4 ± 0.4^†

0.4 ± 0.3

<0.001

 (A-A) stent length - box-stated stent length, mm

1.4 ± 1.3*

(−)1.8 ± 0.3

(−)0.5 ± 0.4

<0.001

 Average IVUS stent length - box-stated stent length, mm

1.3 (0.7–2.2)*

(−)0.5 [(−)1.1–(−)0.4]^†

(−)0.1 [(−)0.3–0.2]

<0.001

 (E-E) stent length - predicted foreshortened stent length, mm

1.84 (1.3–2.8)*

0.65 (0.5–1.1)

(−)0.2 [(−)0.5–0.3]

<0.001

 (A-A) length - predicted foreshortened stent length, mm

1.3 (0.8–2.3)*

(−)0.04 [(−)0.4–0.2]

(−)0.4 [(−)0.8–(−)0.1]

<0.001

 Average IVUS stent length - predicted foreshortened stent length, mm

1.6 (1.0–2.6)*

(−)0.3 [(−)0.7–0.6]^†

0.3 (0.1–0.5)

<0.001