The Role of Muscle Strength in the Sit-to-Stand Task in Parkinson’s Disease

Table 3

Clinical and demographic features between patients with PD and controls.

	PD patients with abnormal STS task, n = 20 (%)	Healthy controls, n = 52 (%)	value
Age at evaluation (years)	70.9 ± 8.0	68.8 ± 8.9	0.369
Sex (male)	11 (55)	26 (50)	0.704
MDS-UPDRS-III (total score)	47.95 ± 13.77	1.65 ± 3.41	<0.001
Weakness and allied sensations
Affected patients	19 (95)	11 (21)	<0.001
Severity (0–10)	7.35 ± 2.45	2.00 ± 2.98	<0.001
Clinical examination (MRC)
Right hip flexion	4.55 ± 0.51	4.90 ± 0.30	0.008
Right leg extension	4.80 ± 0.19	4.96 ± 0.19	0.105
Right foot plantar flexion	5.0 ± 0.0	4.98 ± 0.14	0.539
Left hip flexion	4.55 ± 0.51	4.90 ± 0.30	0.008
Left leg extension	4.70 ± 0.47	4.96 ± 0.19	0.025
Left foot plantar flexion	5.0 ± 0.0	4.98 ± 0.14	0.539
Quantitative assessments (kg)
Right hip flexion	13.25 ± 2.04	14.38 ± 3.09	0.322
Left hip flexion	12.12 ± 2.80	14.13 ± 3.30	0.108
Right hip extension	10.58 ± 5.20	15.87 ± 7.29	0.006
Left hip extension	9.83 ± 6.25	15.67 ± 7.20	0.003

MDS-UPDRS-III, Movement Disorders Society Unified Parkinson’s Disease Rating Scale part III; MRC, Medical Research Council; VAS, visual analog scale.