TABLE 3.

Frequency of UPDRS Motor symptoms by sex and age group

Age at exam (yr)	N	Speech (UPDRS 18)	Tremor (UPDRS 21)	Rigidity (UPDRS 22)	Bradykinesia (UPDRS 23–27, 31)	Posture (UPDRS 28)	Gait (UPDRS 29)	Postural Instability (UPDRS 30)
<60	28	12 (42.9)	16 (57.1)	28 (100)	26 (92.9)	18 (64.3)	24 (85.7)	9 (32.1)
60–69	40	26 (65.0)	18 (45.0)	37 (92.5)	38 (95.0)	27 (67.5)	35 (87.5)	8 (20.0)
70–79	69	41 (59.3)	28 (40.6)	63 (91.3)	67 (97.1)	59 (85.5)	59 (85.5)	32 (46.4)
>80	25	18 (72.0)	13 (52.0)	21 (84.0)	24 (96.0)	21 (84.0)	23 (92.0)	17 (68.0)
Total	162	97 (59.9)	75 (46.3)	149 (92.0)	155 (95.7)	125 (77.2)	141 (87.0)	66 (40.7)

Values are expressed as n (%), unless otherwise indicated.

UPDRS, Unified Parkinson’s Disease Rating Scale.