Skip to main content
. Author manuscript; available in PMC: 2007 Oct 16.
Published in final edited form as: J Nucl Cardiol. 2006 Nov;13(6):821–830. doi: 10.1016/j.nuclcard.2006.09.003

Table 3.

Global and regional differences between cardiac uptake using the 68Ge rod source for attenuation correction (UpRRS) and the uptake computed using the three CT scans (equation 2). Negative values imply a value less than that obtained with the rotating rod source.

Regional Uptake Bias (%)UpRRS as reference UpCTEXPIR UpCTMIDVOL UpCTINSPIR
Global −5.9 ± 8.2 (NS) −12.3 ± 10.0 −22.8 ± 11.2

Apex −1.5 ± 6.9 (NS) −7.4 ± 13.7 −15.1 ± 16.4

Apical slice
 Anterior −3.0 ± 21.1 (NS) −14.5 ± 27.3 (NS) −32.5 ± 24.8
 Inferior −8.6 ± 11.4 (NS) −7.8 ± 2.9 −14.0 ± 9.6
 Lateral −3.8 ± 19.2 (NS) −13.8 ± 17.0 (NS) −30.5 ± 21.6
 Septal −6.3 ± 6.7 −5.0 ± 7.8 (NS) −11.9 ± 7.4

Mid slice
 Anterior −1.2 ± 18.1 (NS) −9.1 ± 22.2 (NS) −28.1 ± 20.0
 Inferior −10.0 ± 7.3 −16.3 ± 4.1 −21.5 ± 11.2
 Lateral −2.1 ± 18.5 (NS) −11.6 ± 13.2 −32.5 ± 19.0
 Septal −7.9 ± 5.6 −7.9 ± 3.9 −13.2 ± 7.4

Basal slice
 Anterior −2.5 ± 9.5 (NS) −13.3 ± 13.3 −22.1 ± 16.5
 Inferior −12.4 ± 7.9 −21.3 ± 10.6 −23.0 ± 12.3
 Lateral −2.9 ± 10.7 (NS) −14.8 ± 12.9 −28.9 ± 15.1
 Septal −11.4 ± 5.7 −15.6 ± 7.1 −16.4 ± 8.7

All p<0.05 except when specified not significant (NS)