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Table 1 Summary of mean and minimum cap thickness values for the 20 plaques

From: Using optical coherence tomography and intravascular ultrasound imaging to quantify coronary plaque cap thickness and vulnerability: a pilot study

Plaque

Mean CapT

Min CapT

OCT

IVUS

Relative error (%)

OCT

IVUS

Relative error (%)

Plaque 1

0.298

0.343

21.37

0.128

0.193

50.78

Plaque 2

0.273

0.339

39.60

0.092

0.156

69.57

Plaque 3

0.385

0.398

33.75

0.200

0.183

8.50

Plaque 4

0.314

0.395

41.35

0.098

0.151

54.08

Plaque 5

0.368

0.368

33.03

0.141

0.132

6.38

Plaque 6

0.336

0.361

29.95

0.208

0.177

14.90

Plaque 7

0.526

0.442

38.00

0.268

0.134

50.00

Plaque 8

0.533

0.403

40.13

0.291

0.142

51.20

Plaque 9

0.298

0.401

40.82

0.159

0.247

55.35

Plaque 10

0.369

0.333

33.97

0.125

0.105

16.00

Plaque 11

0.343

0.236

44.47

0.177

0.041

76.84

Plaque 12

0.401

0.241

42.99

0.260

0.023

91.15

Plaque 13

0.603

0.497

31.28

0.324

0.141

56.48

Plaque 14

0.593

0.565

27.81

0.339

0.176

48.08

Plaque 15

0.300

0.348

37.71

0.122

0.025

79.51

Plaque 16

0.388

0.314

28.78

0.149

0.077

48.32

Plaque 17

0.283

0.237

25.26

0.127

0.124

2.36

Plaque 18

0.271

0.271

21.45

0.186

0.125

32.80

Plaque 19

0.380

0.358

29.50

0.228

0.136

40.35

Plaque 20

0.373

0.648

73.91

0.249

0.340

36.55

Max

0.603

0.648

73.91

0.339

0.340

91.15

Min

0.271

0.236

21.37

0.092

0.023

2.36

Ave. ± SD

0.382 ± 0.100

0.375 ± 0.102

35.76 ± 11.01

0.194 ± 0.073

0.141 ± 0.071

44.46 ± 24.50

  1. Baseline plaque and follow-up plaque each counted as one plaque. Unit for cap thickness: mm