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. Author manuscript; available in PMC: 2009 Feb 25.
Published in final edited form as: Mov Disord. 2009 Jan 15;24(1):51–56. doi: 10.1002/mds.22283

TABLE 2.

Results of experienced chart review: Categorization of patients determined by initial chart review and final working diagnosis assigned. The working diagnosis was used as the gold standard for algorithm analysis

Chart review
determination		 Working
diagnosis
assigned		 n (% of 577)
PD PD 407 (70.5)
Possibly PDa PD 29 (5.0)
Total PD 436 (75.6)
Not PD
 Medication-induced Not PD 15 (2.9)
  Parkinsonisma PD 2a
 Vascular Parkinsonism Not PD 39 (6.8)
 Dementia with
  Lewy bodies		 Not PD 10 (1.7)
 Multiple systems atrophy Not PD 10 (1.7)
 Progressive supranuclear
  palsy		 Not PD 7 (1.2)
 Normal pressure
  hydrocephalus		 Not PD 3 (0.5)
 Miscellaneous
  Parkinsonism		 Not PD 5 (2.6)
 Essential tremor Not PD 7 (1.2)
 Miscellaneous movement
  disorder		 Not PD 13 (2.3)
 No movement disorder Not PD 8 (1.4)
 Unable to determine
  from records		 Not PD 14 (2.4)
Total Not PD 141 (24.4)
a

Two cases of possible PD were also felt to have a contribution of medication-induced Parkinsonism, and are listed twice, but included in the totals and analysis as working diagnosis, PD.