Table 2.

Asymmetry subscore derived from the UPDRS part III items between PD patients with and without PS.

	Total	With PS	Without PS	P-value
Total asymmetry	2.4 ± 2.6	2.2 ± 2.4	2.4 ± 2.5	0.740
Tremor at rest in upper and lower extremities	1.0 ± 1.2	0.8 ± 1.0	1.0 ± 1.2	0.671
Action or postural tremor in hands	0.4 ± 0.6	0.3 ± 0.7	0.4 ± 0.6	0.242
Rigidity in upper and lower extremities	1.0 ± 1.1	0.7 ± 0.8	1.0 ± 1.1	0.688
Finger taps	0.5 ± 0.6	0.4 ± 0.6	0.5 ± 0.6	0.881
Hand movements	0.5 ± 0.6	0.4 ± 0.5	0.5 ± 0.6	0.833
Rapid alternating movements of hands	0.5 ± 0.6	0.4 ± 0.6	0.5 ± 0.6	0.946
Leg agility	0.4 ± 0.5	0.3 ± 0.4	0.4 ± 0.5	0.438

UPDRS, Unified Parkinson's Disease Rating Scale; PD, Parkinson's disease; PS, Pisa syndrome.

P-value was calculated from an ANCOVA test with adjustment for sex, age, age of onset, and disease duration.