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Table 2 Inter-reader agreement of arteries without total occlusion on 3D CMR VWI images

From: Assessment of carotid atherosclerotic disease using three-dimensional cardiovascular magnetic resonance vessel wall imaging: comparison with digital subtraction angiography

VariablesAll arteries (n = 99)Arteries with stenosis > 50% of US (n = 48)
 ICCCMR reader 1CMR reader 2Mean Difference ± SEP-valueLimits of AgreementICCCMR reader 1CMR reader 2Mean Difference ± SEP -valueLimits of Agreement
CCA, mm0.96(0.94,0.97)7.65 ± 1.347.72 ± 1.51− 0.07 ± 0.060.244−1.16,1.030.96(0.94,0.98)7.48 ± 1.407.62 ± 1.66−0.15 ± 0.080.087−1.28,0.99
C1, mm0.98(0.97,0.99)4.65 ± 0.924.72 ± 0.90−0.10 ± 0.030.001−0.61,0.480.96(0.93,0.98)4.49 ± 0.984.56 ± 0.90−0.07 ± 0.050.164−0.46,0.31
C2, mm0.98(0.97,0.99)4.15 ± 0.894.25 ± 0.88−0.07 ± 0.040.050−0.74,0.610.97(0.95,0.99)4.03 ± 1.004.11 ± 1.00−0.08 ± 0.050.081−0.49,0.32
C3, mm0.96(0.94,0.97)4.13 ± 0.964.20 ± 0.93−0.08 ± 0.040.024−0.76,0.610.96(0.94,0.98)3.93 ± 1.004.00 ± 0.99−0.07 ± 0.050.067−0.47,0.34
C4, mm0.99(0.98,0.99)3.61 ± 1.143.68 ± 1.10−0.08 ± 0.030.017−0.50,0.640.99(0.98,0.99)3.43 ± 1.193.45 ± 1.16−0.01 ± 0.040.700−0.49,0.46
C5, mm0.97(0.95,0.98)3.90 ± 1.043.98 ± 1.01−0.09 ± 0.040.036−0.88,0.730.97(0.95,0.98)3.77 ± 1.163.80 ± 1.11−0.03 ± 0.060.618−0.49,0.43
C6, mm0.98(0.97,0.99)3.04 ± 0.843.14 ± 0.84−0.08 ± 0.020.002−0.53,0.380.98(0.97,0.99)2.95 ± 0.993.01 ± 1.01−0.06 ± 0.040.101−0.47,0.35
C7, mm0.97(0.96,0.98)2.87 ± 0.762.98 ± 0.75−0.08 ± 0.030.012−0.66,0.510.97(0.95,0.99)2.76 ± 0.692.81 ± 0.68−0.05 ± 0.030.122−0.33,0.23
Stenosis (%)0.99(0.99,0.99)34.71 ± 27.7734.42 ± 27.230.29 ± 0.430.501−8.09,8.680.98(0.97,0.99)57.50 ± 17.2556.00 ± 17.361.50 ± 0.680.032−10.71,7,71
Stenosis diameter, mm0.99(0.99,0.99)1.93 ± 1.651.97 ± 1.65−0.04 ± 0.020.058−0.43,0.350.99(0.98,0.99)2.08 ± 0.982.17 ± 0.93−0.09 ± 0.030.090−0.53,0.35
Reference diameter, mm0.99(0.99,0.99)3.62 ± 2.473.67 ± 2.51−0.05 ± 0.010.001−0.34,0.240.99(0.99,0.99)4.83 ± 1.214.89 ± 1.25−0.06 ± 0.020.059−0.39,0.28
Lesion length, mm0.99(0.99,0.99)8.59 ± 7.298.74 ± 7.37−0.15 ± 0.03<0.001−0.83,0.530.99(0.99,0.99)13.81 ± 6.2314.02 ± 6.27−0.20 ± 0.070.004−1.13,0.72
  1. Note: 31 arteries with total occlusion displayed on CMR images were excluded
  2. Data are presented as mean ± standard deviation. Numbers in parentheses are 95% CI
  3. 3D CMR VWI, three-dimensional cardiovascular magnetic resonance vessel wall imaging; CCA, common carotid artery; CI, confidence interval; ICC, intraclass correlation coefficient; SD, standard deviation; SE, standard error; US, ultrasound