TABLE 1.

Demographic and clinical characteristics of study population (those patients receiving code 332.0 between October 1, 2001 and September 30, 2002). Clinical data over 3-year period between October 1, 2001, and September 30, 2004

Characteristic	n (%)
Age in years, mean (SD)	75.6 (8.7)
Male	568 (98.4)
No. of times receiving 332.0 code
At least once	577 (100)
At least twice	409 (70.9)
At least three times	293 (50.8)
At least four times	224 (38.8)
At least five times	166 (28.8)

Visited neurology clinic, by type:
Movement disorders specialty clinic	General neurology clinic
Yes	Yes	117 (20.3)
Yes	No	60 (10.4)
No	Yes	235 (40.7)
No	No	165 (28.6)
Received one or more PD-related medications		408 (70.7)