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Table 1 CBF, OEF, and CMRO 2 values in Group-0 calculated applying the transmission- and emission-based attenuation correction

From: Applicability of emission-based attenuation map for rapid CBF, OEF, and CMRO2 measurements using gaseous 15O-labeled compounds

  

Transmission

Emission

CBF (ml/min/g)

Parietal

0.36 ± 0.08

0.34 ± 0.07*

Frontal

0.40 ± 0.07

0.41 ± 0.07

Temporal

0.43 ± 0.06

0.43 ± 0.07

Occipital

0.44 ± 0.06

0.38 ± 0.06*

Cerebellum

0.53 ± 0.09

0.51 ± 0.08*

White matter

0.24 ± 0.04

0.24 ± 0.04

OEF

Parietal

0.47 ± 0.04

0.47 ± 0.05

Frontal

0.46 ± 0.05

0.46 ± 0.05*

Temporal

0.44 ± 0.05

0.44 ± 0.05

Occipital

0.48 ± 0.04

0.47 ± 0.04*

Cerebellum

0.50 ± 0.03

0.49 ± 0.03*

White matter

0.43 ± 0.05

0.43 ± 0.05

CMRO2 (ml/min/g)

Parietal

0.027 ± 0.006

0.025 ± 0.004*

Frontal

0.030 ± 0.004

0.030 ± 0.004

Temporal

0.031 ± 0.005

0.031 ± 0.005

Occipital

0.034 ± 0.006

0.029 ± 0.005*

Cerebellum

0.044 ± 0.008

0.041 ± 0.007*

White matter

0.016 ± 0.003

0.017 ± 0.003

  1. Values are presented as means ± SD. *Significant difference (p < 0.05) between the transmission- and emission-based methods.