Table 5.

MBI-C total and domain scores after removing participants with total MBI-C score of 7 and 8.

MBI-C scores Mean, SD (Min–Max)	Val carriers (GG) N = 81	Met carriers (GA, AA) N = 45	p-value*
MBI-C total	3.65, ±4.56 (0–20)	7.40, ±8.14 (0–29)	0.03**
Drive/motivation	1.00, ±1.72 (0–8)	1.40, ±2.03 (0–8)	0.26
Mood/anxiety	1.35, ±2.21 (0–13)	2.84, ±3.40 (0–12)	0.008**
Impulse dyscontrol	0.64, ±1.34 (0–8)	1.18, ±2.83 (0–13)	0.87
Social inappropriateness	0.10, ±0.46 (0–3)	0.44, ±1.42 (0–7)	0.09
Abnormal thoughts/perception	0.57, ±1.13 (0–4)	1.53, ±2.56 (0–11)	0.02

Ten participants were removed, including only one Met carrier with the score of 7 (n = 126).

Val, valine; Met, methionine; MBI-C, mild behavioral impairment checklist; MoCA, montreal cognitive assessment; SD, standard deviation; Min, minimum; Max, maximum.

^*All the analysis was done by Mann–Whitney U test because of the data normality.

^**p-value was set to <0.01 to correct for multiple tests, Bonferroni correction.