Research Article

Therapeutic Effects of Tai Chi in Patients with Parkinson’s Disease

Table 3

Unified Parkinson’s disease rating scale (UPDRS) subscale scores before and after 12 weeks of Tai Chi training or a no exercise control condition in 20 participants with mild to moderate Parkinson’s disease.

UPDRS subscaleTreatment groupTime =
BeforeAfter(a)*(b)(a × b)

Mentation, behavior, moodTai Chi 0.0250.9470.411
Control

Activities of daily livingTai Chi 0.1190.3780.037
Control

Motor scaleTai Chi 0.0100.6000.062
Control

Note: table values are means standard deviations.
(a): main effects for time (pre- versus postintervention).
(b): main effects for intervention treatment group (Tai Chi versus control).
(a × b): time × group interaction.