Table 2:

Demographic characteristics for subjects (n = 20) stratified by neuroradiologist expert read results at the standard 20-minute acquisition time

CharacteristicWhole Sample (n = 20)Expert Rated Scan Findings as Abnormal (n = 10)Expert Rated Scan Findings as Normal (n = 10)P Value
Age (yr) 65.6 (14.9)62.8 (17.4)68.4 (12.3).402
Female (%)55.040.070.0.189
Clinical history    
 Tremor in hand/leg (%)60.070.050.0.361
 PD (%)15.030.00.0.060
 Right unilateral (%)10.010.010.01.000
 Left unilateral (%)20.030.010.0.264
 Bilateral (%)20.020.020.01.000
 Bradykinesia (%)25.050.00.0.010