Table 3.

Mean summary score and subscale scores across the global quality of life categories of quality of life in Parkinson’s disease instrument

QLPD	Global QoL categories					F#
	Very bad (n=22)	Bad (n=61)	Neither good nor bad (n=109)	Good (n=77)	Very good (n=26)
Summary score	59.7	46.6	34.8	25.6	18.9	55.1*
ADL	63.3	48.5	40.0	29.1	25.8	26.6*
Mobility	52.3	41.3	32.4	20.9	14.4	19.0*
Psychological	56.8	41.4	27.1	22.9	17.1	14.9*
Fear	60.2	53.7	39.4	28.1	20.2	17.8*
Social	59.1	40.6	29.5	20.9	14.2	18.7*
Family	76.9	51.8	35.3	24.4	9.9	32.9*
Treatment	68.9	66.5	55.5	45.1	38.5	13.6*
Financial	67.4	51.9	31.2	18.6	9.9	25.9*
NMS	53.8	42.1	31.8	24.5	18.5	27.7*

^#F=Statistics for testing equality of mean scores across five categories of Global QoL, *P<0.0001. QoL=Quality of life, QLPD=Quality of life in Parkinson’s disease instrument, ADL=Activities of daily living