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Table 2 CCTA features of the study population

From: Radiomics-based discrimination of coronary chronic total occlusion and subtotal occlusion on coronary computed tomography angiography

 

SO (n = 66)

CTO (n = 66)

P value

Lesion location

   

 LAD

28 (42.4)

19 (28.8)

0.102

 LCX

8 (12.1)

11 (16.7)

0.457

 RCA

30 (45.5)

36 (54.5)

0.296

Lesion length, mm

8.65 (4.88–12.63)

15.35(10.43–22.33)

< 0.001

TAG (HU/10 mm)

-1.33 (-2.56 to -0.13)

-0.12 (-2.27 to 0.10)

0.076

Blunt stump

39 (59.1)

53 (80.3)

0.008

Collateral vessel

33 (50.0)

27 (40.9)

0.294

Proximal branch

31 (47.0)

23 (34.8)

0.157

Distal branch

19 (28.8)

16 (24.2)

0.554

Bending > 45°

11 (16.7)

14 (21.2)

0.505

Positive remodeling

16 (24.2)

22 (33.3)

0.249

Total plaque volume (mm3)

263.23 (103.00–428.23)

344.15 (185.41–551.46)

0.108

Calcified plaque volume (mm3)

54.68 (12.20–196.95)

87.42 (42.30–257.62)

0.188

Non-calcified plaque volume(mm3)

169.00 (84.55–266.22)

228.60 (113.93–340.85)

0.063

Low-attenuation plaque volume(mm3)

30.80 (7.18–69.94)

49.61 (17.41–88.06)

0.057

Calcified plaque load (%)

32.86 (11.16–52.88)

31.24 (16.58–51.24)

0.931

Non-calcified plaque load (%)

67.14 (47.12–88.84)

68.76 (48.76–82.78)

0.912

Low-attenuation plaque load (%)

10.49 (3.94–22.69)

13.27 (7.43–22.28)

0.251

  1. Values are median (25th and 75th percentile) or n (%)
  2. Abbreviations CTO = chronic total occlusion; SO = subtotal occlusion; CCTA = coronary computed tomography angiography