Table 1

Relation between total scores of 123I BMIPP and thallium-201 and clinicopathological variables in patients with idiopathic dilated cardiomyopathy

123I BMIPP  total scoreThallium-201 total score
Cardiothoracic ratio r = 0.05p = 0.791 r = 0.13p = 0.515
R wave voltage in lead V5 r = −0.40p = 0.033 r = −0.49p = 0.007
Echocardiography
Left ventricular end diastolic diameter r = 0.17p = 0.405 r = 0.29p = 0.141
 Left ventricular end systolic diameter r = 0.20p = 0.304 r = 0.29p = 0.141
 % fractional shortening (initial) r = −0.25p = 0.204 r = −0.14p = 0.469
 % fractional shortening (6 month follow up) r = −0.58p = 0.001 r = −0.39p = 0.039
Haemodynamics
Left ventricular end diastolic pressure r = 0.65p < 0.001 r = 0.36p = 0.061
 Pulmonary capillary wedge pressure r = 0.68p < 0.001 r = 0.42p = 0.024
 Mean pulmonary arterial pressure r= 0.52p = 0.004 r = 0.30p = 0.119
 Cardiac index r = 0.24p = 0.215 r = −0.26p = 0.185
 Left ventricular ejection fraction r = −0.30p = 0.121 r = −0.26p = 0.185
Histopathology
 Myocyte diameter r = 0.66p < 0.001 r = 0.57p = 0.001
 % area of interstitial fibrosis r = 0.69p < 0.001 r = 0.53p = 0.003

  • Results of the linear regression analysis are presented.

  • See Methods for the definition of total score.

  • BMIPP, β-methyl-iodo-phenyl pentadecanoic acid.