Table 5 To provide additional descriptive data on the frequency of combined parkinsonian signs within individuals, below, we list individuals by the various combinations of parkinsonian signs

Tremor + rigidity + bradykinesia + postural instability

0

1

Tremor + rigidity + bradykinesia

1

3

Postural instability + bradykinesia

1

5

Tremor + bradykinesia

0

2

Rigidity + bradykinesia

0

1

Postural instability + rigidity

1

0

Tremor + rigidity

1

1

Rigidity only

2

1

Bradykinesia only

1

5

Tremor only

1

1

Postural Instability only

1

0