Table 3

 Sensitivity and specificity of [123I]β-CIT SPECT in the diagnosis of Parkinson’s disease

All<55 years⩾55 years
Sensitivity (%)Specificity (%)Sensitivity (%)Specificity (%)Sensitivity (%)Specificity (%)
Cau, caudate; contra, contralateral to the clinically more affected side; ipsi, ipsilateral to the more affected side; Put, putamen; Str, striatum.
Strcontra98.980.510010098.468.5
Stripsi93.579.310092.992.270.4
Caucontra93.574.710096.490.663.0
Cauipsi92.474.710089.393.859.3
Putcontra98.980.510010010068.5
Putipsi96.781.610096.496.972.2