Table 1

Specific IPT binding rates

n((S-BG)/BG)((C-BG)/BG)((P-BG)/BG)P/C
Controls87.1 (1.1)8.3 (1.3) 6.4 (1.1)0.78
ALS patients185.6 (1.1)** 6.8 (1.4)1-150 4.8 (1.1)** 0.71
 Limb onset105.8 (1.2)6.9 (1.5)4.9 (1.3)0.71
 Bulbar onset85.5 (1.0)6.6 (1.2)4.6 (0.9)0.71
  • 1-150 p<0.01; **p<0.005 v controls. Data are given as mean (SD)

  • ALS=ALS; S=striatum; C=caudate; P=putamen; BG=background.