Motor signs % (N) | Study I | Study II | ||
---|---|---|---|---|
IQ group | IQ group | |||
≥50 (N = 8) | <50 (N = 11) | ≥50 (N = 7) | <50 (N = 30) | |
Resting tremor | 0 (0) | 27 (3) | 29 (2) | 17 (5) |
Rigidity | 50 (4) | 18 (2) | 29 (2) | 17 (5) |
Bradykinesia | 25 (2) | 20 (2)a | 43 (3) | 57 (17) |
Postural instabilitya | 13 (1) | 20 (1)a | 14 (1) | 20 (6) |