Clinical Pain and Neuropsychological Functioning in Parkinson’s Disease: Are They Related?

Table 1

Comorbidities for both groups; .

Comorbidity	Controls	Parkinson’s disease	Difference between groups
	Percentage (number)	Percentage (number)	Chi-square	value
Cardiac failure	28.1% (16)	29.2% (14)	0.015	0.901
Kidney disease	1.8% (1)	0% (0)	0.850	0.356
Lung disease	10.5% (6)	4.2% (2)	1.497	0.221
Diabetes	5.3% (3)	18.8% (9)	4.682	0.030
Hypertension	29.8% (17)	27.1% (13)	0.096	0.757
Peripheral arterial disease	8.8% (5)	14.6% (7)	0.869	0.351
Arthritis	12.3% (7)	8.9% (4)	0.301	0.583