Table 2.

Clinical comparative study of 27 STN-DBS patients in relation with presence/absence of G2019S mutations

	MC (n = 15)	NC (n = 12)	p
Age groups (years)	56.2 ± 8.8	54.5 ± 7.1	0.59
Age at onset of PD (years)	40.1 ± 9.4	40.3 ± 8.2	0.97
Duration of disease (years)	16.1 ± 3.0	14.3 ± 2.7	0.10
MMSE (maximum score 30)	25.3 ± 3.1	26.2 ± 2.7	0.60
Duration of honeymoon (years)	3.8 ± 1.7	5.4 ± 2.6	0.08
Duration of STN-stimulation (years)	5.1 ± 1.4	4.1 ± 1.3	0.09

PD parkinson’s disease, MMSE Mini Mental State Examination, STN subthalamic nucleus, MC mutation carriers, NC non mutation carriers