Table 6 QCA analysis

Minimal luminal diameter, before/after PCI mm (mean, range, SD)

0.88 (0–1.9; 0.4)

0.82 (0–1.6; 0.4)

0.06^a

(−0.11; 0.23) 0.46

2.1 (1.1-3.9; 0.5)

2.0 (1.3-3.4; 0.5)

0.00^a

(−0.21; 0.21) 0.99

% diameter stenosis before/after PCI (mean, range, SD)

65.4 (48–100; 12.5)

66.3 (49–100; 11.8)

−0.9^a

(−6.5; 4.7) 0.74

16.0 (0–44; 10.5)

19.6 (2–44; 11.1)

−3.6^a

(−8.4; 1.2) 0.14

Reference diameter mm (mean, range, SD)

2.6 (1.3-4.6; 0.6)

2.5 (1.2-4.4; 0.7)

0.07^a

(−0.23; 0.37) 0.65

Lesion length mm(mean, range, SD)

7.5 (1.5-23.6; 3.5)

9.4 (3.6-31.1; 5.6)

−0.20^b

(−0.42 ; 0.03) 0.08

Side branch

Covering SB without PCI SB (n = 64, group A)

Covering SB + PCI SB (n = 34, group B)

Difference

CI; P

Minimal luminal diameter, before/after PCI mm (mean, range, SD)

1.2 (0–2.5; 0.5)

1.3 (0.3-2.4; 0.6)

−0.08^a

(−0.33; 0.16) 0.50

1.1 (0–2,3; 0.6)

1.4 (0.7-2.2; 0.4)

−0.27^a

(−0.50; -0.03) 0.03

% diameter stenosis before/after PCI (mean, range, SD)

34.2 (0–100; 27.0)

44.0 (12–100; 24.7)

−9.83^a

(−21.8; 2.2) 0.11

34.1 (0–100; 25.0)

22.8 (2.9-51.0; 13.5)

11.30^a

(1.42; 21.17) 0.03

Reference diameter mm (mean, range, SD)

1.8 (0.6-3.3; 0.6)

2.1 (1.3-2.92; 0.5)

−0.28^a

(−0.53; -0.03) 0.03

Lesion length mm(mean, range, SD)

3.0 (0.0-9.2; 2.1)

3.0 (0.3-9.0; 2.1)

−0.12^b

(−0.58; 0.34) 0.61