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TABLE 2: 
Mean Ch/Cr ratio in 10 brain regions
Brain RegionMeanStandard DeviationStandard Error
bg1.0180.1920.043
occgm0.6780.0750.016
powm1.2420.1600.036
fgm1.1440.1560.029
fwm1.4590.2580.050
pgm0.8260.1250.029
tgm0.9290.1130.021
pons1.9140.3020.057
th1.1330.1710.039
cb1.5110.1440.032
  • Note.—bg = basal ganglia; occgm = occipital gray matter; powm = posterior white matter; fgm = frontal gray matter; fwm = frontal white matter; pgm = parietal gray matter; tgm = temporal gray matter; th = thalamus; cb = cerebellum.