TABLE 2

Comparison of Variance of Difference of MBF Measurement Between Microspheres and PET in Different Regions of LV

BasalApical
LV regionSubendocardiumSubepicardiumSubendocardiumSubepicardium
Rest
 Anterior0.060.020.160.10*
 Lateral0.16 s,i†0.050.190.07*
 Septal0.020.010.090.07*
 Inferior0.030.020.120.11*
Hyperemia
 Anterior0.32‡0.09‡0.510.13 l†
 Lateral0.380.140.65‡0.75*‡
 Septal0.25‡0.14‡0.29‡0.22‡
 Inferior0.210.28‡0.620.50

  • ↵* P < 0.05, apical significantly different from basal regions.

  • ↵† P < 0.05, significant contrast difference vs. other regions in the short-axis partition: s = septal; i = inferior; l = lateral.

  • ↵‡ P < 0.05, hyperemic significantly different from resting paired data.