Table 3: MSA and PSP patients with SPECT: diagnoses, gender, subtype, and SPECT per timepoint.

GenderDiagnosisMotor SubtypeSPECT timepoint
BaselineFirst yearThird year
DATIBZMDATIBZMDATIBZM

MSAMaleMSA prob. (+PD prob.) PIGD****XX
FemaleMSA prob.PIGD****XX
MaleMSA prob.PIGD**XXXX
MaleMSA prob. (+PD prob.) PIGD**XXXX
MaleMSA prob.PIGD**XXX
FemaleMSA poss. (+PD def.) Indeterm.XXXX
FemaleMSA prob.PIGDXX
MaleMSA prob.PIGDXXXX
FemaleMSA prob.PIGDXX
MaleMSA poss. (+PD prob.) TremorXXXX
MaleMSA poss. (+PD def.) PIGDXXXXXX
MaleMSA prob. (+PD def.) TremorXXXX

Total (male/female)12 (8/4)7 (4/3)6 (4/2)8 (7/1)8 (7/1)7 (5/2)5 (4/1)

PSPFemalePSP poss.Indeterm.**XX
MalePSP poss.PIGD**XX
FemalePSP prob.PIGD**XXX
FemalePSP PAGFPIGDXXXXX
MalePSP poss.PIGDXXXXXX
MalePSP prob.PIGDXXXXXX
MalePSP poss.Indeterm.XXXXX
FemalePSP poss. (+PD def.) PIGDXXX
MalePSP poss. (+PD prob.) PIGDXXXX
FemalePSP prob.PIGDXX
MalePSP prob.PIGDXX
FemalePSP prob.PIGDXXXX
FemalePSP prob.PIGDXXXX
MalePSP poss.TremorXXXX
MalePSP prob.PIGDXX
FemalePSP prob.PIGDX

Total (male/female)16 (8/8)13 (7/6)12 (7/5)12 (6/6)10 (6/4)3 (2/1)5 (3/2)

The patients fulfilled the established criteria for diagnosis of MSA according to Gilman et al., 1999 [18] or of PSP according to Litvan et al., 1996 [19]. Some patients also fulfilled criteria for PD according toGibb and Lees1988 [20] (diagnosis put in brackets). Field with *: SPECT was made on another camera; prob.: probable; PAGF: pure akinesia with gait freezing; poss.: possible; def.: definitive; PIGD: postural instability and gait difficulty; Indeterm.: Indeterminate.