Table 3.

Area under the ROC curve of Simpson-Angus Scale (SAS) parameters against DSM-IV diagnosis of Neuroleptic-Induced Parkinsonism.

SAS item	Area under the ROC curve
Gait	0.71
Arm dropping	0.79
Shoulder shaking	0.81
Elbow rigidity	0.93
Wrist rigidity	0.75
Leg pendulousness	0.73
Head dropping	0.75
Glabella tap	0.57
Tremor	0.66
Salivation	0.53
Mean of rigidity items	0.92
Mean of mean rigidity items and other SAS items	0.80
Mean of SAS items	0.92