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. 2011 Jan;31(1):32–38. doi: 10.1111/j.1475-097X.2010.00976.x

Table 2.

Comparisons between various VVI-derived CCA wall motion measurements in healthy volunteers

RCCA LCCA


NW FW P-valuea FW P-valueb
Longitudinal variables
Velocity S (cm s−1) 0·278 ± 0·230 0·290 ± 0·230 NS 0·166 ± 0·116 NS
Velocity D (cm s−1) 0·168 ± 0·097 0·173 ± 0·093 NS 0·134 ± 0·093 NS
Strain S (%) 7·519 ± 5·412 6·991 ± 6·274 NS 4·732 ± 3·920 NS
Strain D (%) 1·443 ± 1·722 1·696 ± 1·632 NS 1·159 ± 1·708 NS
Strain rate S (l s−1) 0·422 ± 0·348 0·419 ± 0·376 NS 0·234 ± 0·162 NS
Strain rate D (1 s−1) 0·283 ± 0·192 0·266 ± 0·202 NS 0·205 ± 0·129 NS
Displacement S (mm) 0·457 ± 0·347 0·474 ± 0·356 NS 0·332 ± 0·262 NS
Displacement D (mm) 0·075 ± 0·086 0·069 ± 0·088 NS 0·069 ± 0·180 NS
Total displacement (mm) 0·531 ± 0·372 0·543 ± 0·394 NS 0·401 ± 0·274 NS
Radial variables
Velocity S (cm s−1) 0·100 ± 0·071 0·100 ± 0·071 NS 0·070 ± 0·061 NS
Velocity D (cm s−1) 0·133 ± 0·093 0·080 ± 0·064 0·005 0·053 ± 0·050 0·04
Displacement S (mm) 0·429 ± 0·314 0·162 ± 0·160 0·001 0·109 ± 0·120 NS
Displacement D (mm) 0·027 ± 0·041 0·030 ± 0·031 NS 0·037 ± 0·062 NS
a

P-value indicates significance between near wall and far wall of the RCCA.

b

P-value shows significance between RCCA and LCCA far walls.