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Table 1 Mean scores of Simpson-Angus Scale (SAS) items in Neuroleptic-Induced Parkinsonism (NIP) group and non-NIP group.

From: Validity of Simpson-Angus Scale (SAS) in a naturalistic schizophrenia population

SAS item NIP-group Non-NIP group
Gait 1.04 0.38
Arm dropping 1.43 0.59
Shoulder shaking 1.09 0.33
Elbow rigidity 1.83 0.47
Wrist rigidity 0.91 0.16
Leg pendulousness 0.91 0.28
Head dropping 1.48 0.66
Glabella tap 1.09 0.86
Tremor 1.78 1.14
Salivation 0.83 0.71
Mean of SAS items 1.24 0.56