Table 3.

Causes of death of patients with Parkinson's disease after undergoing deep brain stimulation.

Category	N (%)	Diagnosis	N (%)
Disease progression	27 (56.3%)	Pneumonia	26 (54.2%)
		Aging	1 (2.1%)
Unknown	7 (14.6%)	Unknown	6 (12.5%)
		Sudden death	1 (2.1%)
Suicide	4 (8.3%)	Suicide	4 (8.3%)
Accidental death	4 (8.3%)	Car accident	1 (2.1%)
		Drowning	1 (2.1%)
		Falling	2 (4.2%)
Others	2 (4.2%)	Diabetes mellitus complication	1 (2.1%)
		Peptic ulcer perforation	1 (2.1%)
Cancer	4 (8.3%)	Ovarian cancer	1 (2.1%)
		Gastric cancer	1 (2.1%)
		Pancreatic cancer	1 (2.1%)
		Colon cancer	1 (2.1%)
Total	48 (100.0%)