Table 2. Measured CIMT from Three Observers and the Standard Device.
Sample size (n) | max-CIMT (mm) | CCA CIMT (mm) | Bulb CIMT (mm) | Number of plaques | |
---|---|---|---|---|---|
WHUS observer A | 100 | 1.289±0.393 | 1.036±0.344 | 1.542±0.527 | 0.9±1.3 |
WHUS observer B | 26 | 1.378±0.502 | - | - | - |
WHUS observer C | 7 | 1.940±0.603 | - | - | - |
Standard (reference) | 100 | 1.447±0.443 | 1.289±0.393 | 1.289±0.393 | 1.1±1.4 |
CIMT, carotid intima-medial thickness; max-CIMT, mean of the maximal values of carotid intima-medial thickness of a patient; WHUS, wireless handheld ultrasound; CCA, common carotid artery.