Impulse Control Disorders Following Deep Brain Stimulation of the Subthalamic Nucleus in Parkinson's Disease: Clinical Aspects

Table 5

Analysis of the outcomes in the case reports presented in Table 4.

	Poor outcome	Good outcome
Total Number	22	17
Male gender (%)	20/22 (91.1)	13/17 (76.5)
Age ≥ 55 years	16/22 (72.7)	7/10* (70)
Post-op medication reduction to less than 50% of pre-op dose	4/7* (57.1)	11/11* (100)
Psychiatric history	3/7* (42.9)	4/11* (36.4)
Other psychiatric condition post-op	8/22 (36.4)	3/17 (17.7)

“Poor outcome” is defined as worsening of existing ICDs, development of more ICDs, or no improvement of existing ICDs postoperatively; “good outcome” is defined as improvement of existing ICDs, disappearance of existing ICDs postoperatively.
∗Information not available for the rest of the patients.