Document Classification

Section Type: RESULTS

Text: After 6 months, impairments were seen in executive function (difference of changes [DBS-best medical treatment] in verbal fluency [semantic] -4. 50 points, 95 % CI -8. 07 to -0. 93, Cohen 's d = - ; 0. 4 ; verbal fluency [phonemic] -3. 06 points, -5. 50 to -0. 62, -0. 5 ; Stroop 2 naming colour error rate -0. 37 points, -0. 73 to 0. 00, -0. 4 ; Stroop 3 word reading time -5. 17 s, -8. 82 to -1. 52, -0. 5 ; Stroop 4 colour naming time -13. 00 s, -25. 12 to -0. 89, -0. 4), irrespective of the improvement in quality of life (difference of changes in PDQ-39 10. 16 points, 5. 45 to 14. 87, 0. 6 ; SF-36 physical 16. 55 points, 10. 89 to 22. 21, 0. 9 ; SF-36 psychological 9. 74 points, 2. 18 to 17. 29, 0. 5).