Personality Changes after Deep Brain Stimulation in Parkinson’s Disease

Table 3

Comparison of TCI subscale scores preoperatively and at three-month follow-up using the paired samples -test.

	Preoperatively; Mean ± SD; = 31	Three-month follow-up; Mean ± SD; = 31	Differences; preop. – three months; Mean (±SD); (95% CI)	Cohen’s	value
Novelty Seeking	9.3 ± 2.6	8.8 ± 3.1	0.4 ± 2.6; (−0.05–1.4)	0.162	0.382
Harm Avoidance	8.1 ± 4.0	7.7 ± 4.0	0.04 ± 2.7; (−0.6–1.4)	0.142	0.438
Reward Dependence	9.7 ± 2.6	9.1 ± 3.2	0.6 ± 2.3; (−0.2–1.5)	0.293	0.125
Persistence	2.3 ± 1.3	1.7 ± 1.4	0.6 ± 1.2; (0.2–1.1)	0.522	0.006^*
Self-Directedness	20.8 ± 3.0	20.0 ± 3.7	0.8 ± 4.0; (−0.6–2.3)	0.207	0.258
Cooperativeness	21.5 ± 2.8	20.6 ± 3.2	0.9 ± 3.0; (−0.2–2.0)	0.299	0.108
Self-Transcendence	3.9 ± 2.9	3.1 ± 2.3	0.9 ± 2.0; (0.1–1.6)	0.450	0.024^*

The * is referring to significant -values.