Table 3. Associations between carotid plaque characteristics and changes of MoCA.
Characteristics | Univariate regression | Multivariate regression (model 1) | Multivariate regression (model 2) | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
OR | 95% CI | P value | OR | 95% CI | P value | OR | 95% CI | P value | |||
Morphology | |||||||||||
Mean lumen area, mm2 | 1.006 | 0.970, 1.043 | 0.762 | 1.005 | 0.967, 1.044 | 0.792 | 1.008 | 0.967, 1.050 | 0.706 | ||
Mean wall area, mm2 | 0.999 | 0.977, 1.022 | 0.935 | 1.007 | 0.982, 1.032 | 0.591 | 1.005 | 0.980, 1.031 | 0.684 | ||
Mean total vessel area, mm2 | 1.001 | 0.984, 1.018 | 0.935 | 1.005 | 0.987, 1.024 | 0.595 | 1.005 | 0.986, 1.024 | 0.629 | ||
Maximum wall thickness, mm | 0.954 | 0.777, 1.170 | 0.649 | 0.995 | 0.803, 1.233 | 0.962 | 0.996 | 0.792, 1.253 | 0.974 | ||
Mean normalized wall index, % | 0.988 | 0.949, 1.030 | 0.575 | 1.005 | 0.961, 1.052 | 0.814 | 0.993 | 0.945, 1.043 | 0.775 | ||
Stenosis, % | 1.015 | 0.982, 1.050 | 0.376 | 1.020 | 0.984,1.058 | 0.271 | – | – | – | ||
Presence of plaque components | |||||||||||
LRNC | 1.677 | 0.424, 6.636 | 0.461 | 2.800 | 0.619, 12.665 | 0.181 | 3.674 | 0.738, 18.288 | 0.112 | ||
IPH | 0.930 | 0.429, 2.015 | 0.854 | 1.151 | 0.510, 2.598 | 0.735 | 1.363 | 0.568, 3.275 | 0.488 | ||
Calcification | 1.032 | 0.371, 2.866 | 0.952 | 1.348 | 0.450, 4.033 | 0.593 | 1.263 | 0.387, 4.125 | 0.699 | ||
Ulcer | 0.799 | 0.330, 1.840 | 0.569 | 0.891 | 0.363, 2.183 | 0.800 | 1.160 | 0.438, 3.076 | 0.765 | ||
FCR | 0.976 | 0.449, 2.124 | 0.952 | 1.210 | 0.533, 2.746 | 0.648 | 1.553 | 0.638, 3.780 | 0.332 | ||
Volume of plaque components* | |||||||||||
LRNC, mm3 | 0.999 | 0.998, 1.001 | 0.344 | 0.999 | 0.998, 1.001 | 0.462 | 1.000 | 0.998, 1.001 | 0.802 | ||
IPH, mm3 | 1.001 | 0.999, 1.003 | 0.473 | 1.001 | 0.999, 1.003 | 0.435 | 1.002 | 0.999, 1.004 | 0.214 | ||
Calcification, mm3 | 0.994 | 0.989, 1.000 | 0.043 | 0.994 | 0.988, 1.000 | 0.043 | 0.994 | 0.988, 1.000 | 0.057 | ||
Ulcer, mm3 | 0.993 | 0.971, 1.015 | 0.528 | 0.995 | 0.971, 1.020 | 0.688 | 0.996 | 0.969, 1.023 | 0.748 | ||
Maximum percentage of plaque component area* | |||||||||||
LRNC, % | 1.005 | 0.985, 1.025 | 0.643 | 1.007 | 0.986, 1.028 | 0.532 | 1.006 | 0.982, 1.030 | 0.645 | ||
IPH, % | 1.007 | 0.983, 1.031 | 0.576 | 1.008 | 0.982, 1.033 | 0.565 | 1.014 | 0.985, 1.044 | 0.353 | ||
Calcification, % | 0.949 | 0.909, 0.991 | 0.018 | 0.945 | 0.901, 0.990 | 0.017 | 0.937 | 0.890, 0.987 | 0.014 | ||
Ulcer, % | 0.965 | 0.892, 1.044 | 0.377 | 0.966 | 0.879, 1.061 | 0.467 | 0.972 | 0.882, 1.071 | 0.561 | ||
Cumulative slice of plaque components* | |||||||||||
LRNC | 1.010 | 0.905, 1.127 | 0.858 | 1.038 | 0.925, 1.164 | 0.528 | 1.000 | 0.881, 1.135 | 1.000 | ||
IPH | 1.053 | 0.901, 1.230 | 0.515 | 1.067 | 0.898, 1.268 | 0.459 | 1.119 | 0.909, 1.376 | 0.288 | ||
Calcification | 0.823 | 0.698, 0.970 | 0.020 | 0.802 | 0.670, 0.961 | 0.017 | 0.791 | 0.646, 0.967 | 0.022 | ||
Ulcer | 1.440 | 0.691, 3.000 | 0.330 | 1.678 | 0.741, 3.798 | 0.215 | 1.947 | 0.763, 4.968 | 0.163 |
*, only patients with the corresponding component present were included in the comparison. Model 1: adjusted for age, gender, educational level and Fazekas score; Model 2: adjusted for age, gender, educational level, Fazekas score, stenosis, coronary heart disease and antihypertensive treatment. MoCA, Montreal Cognitive Assessment; LRNC, lipid-rich necrotic core; IPH, intraplaque hemorrhage; FCR, fibrous cap rupture; CI, confidence interval; OR, odds ratio.