Table 7

Preoperative patient characteristics in relation to good outcome 6 months after pallidotomy (n=30)

Characteristic of patients^7-150	Poor UPDRS 3 change score^7-151⩽10	Good UPDRS 3 change score^7-151>0	p Value^7-152
Age:
⩾65 y	4	6	0.43
<65 y	5	15
Hoehn and Yahr stage in off phase:
>3	6	14	1
⩽3	3	7
UPDRS 3 in off phase:
⩾50	4	12	0.69
<50	5	9
UPDRS 3 in on phase:
>15	5	15	0.43
⩽15	4	6
Levodopa effect on UPDRS 3 score:
<30	6	11	0.69
⩾30	3	10
Medication:
>1000 LEU	7	7	0.05
⩽1000 LEU	2	14
Side of surgery:
Right	7	13	0.34
Left	2	8

↵7-150 Continuous variables were dichotomised at a predetermined score.
↵7-151 Change score=preoperative minus 6 month postoperative score.
↵7-152 Differences between frequencies were analysed with χ²tests or the Fisher's exact test when numbers were small.