Table 2

Disease severity and rating scales

Rating scaleFallers (n=69)Non-fallers (n=32)Testp Value
Data are median with range or absolute number with percentages. *0.01<p<0.05; **p<0.01. 1, independent samples t test; 2, χ2 test; 3, Mann-Whitney U test; GDS, geriatric depression scale–short form; MHY, modified Hoehn and Yahr scale; MMSE, mini-mental state examination; PDQ-8, short form Parkinson's disease questionnaire; UPDRS, unified Parkinson's disease rating scale.
MHY2.0 (1.0–4.0)1.5 (1.0–3.0)20.055
MHY >2.521 (30.4%)2 (6.3%)20.009**
UPDRS 30 (shoulder pull) >134 (49.3%)11 (34.4%)20.161
UPDRS subtotal I4 (0–10)2.5 (0–7)10.037*
UPDRS subtotal II13 (1–30)10 (3–18)10.001**
UPDRS subtotal III16 (6–28)14 (5–21)10.004**
UPDRS total37 (8–64)28 (9–44)1<0.001**
History of “off phenomena”17 (24.6%)1 (3.1%)20.01*
Positive history of tremor57 (82.6%)31 (96.9%)20.057
MMSE27 (0–30)29 (19–30)30.002**
Dementia present (MMSE <24)18 (26.1%)2 (6.3%)20.03*
GDS6 (1–14)4 (0–11)10.01*
PDQ-817 (8–29)12 (8–24)30.001**