Variable	German sample			Georgian sample
	Patients	Controls	Statisticsa	Patients	Relatives	Controls	Statisticsa
Participants (#)	224	224	NA	50	57	51	NA
Male (%)	50.7	58.0	2.3 (0.13)	76	45.6	60.8	10.3 (0.006)
Age (mean)	37.0	40.8	3.33 (0.07)	34	35	34	0.16 (0.8)
Education in years (mean)	–	–	–	13	14	16	7.5 (0.001)
Visual acuity (mean VA by FrACT)	–	–	–	1.5	1.7	1.7	2.5 (0.08)