Table 3.

Frequency of point mutations in PARK2 gene in different populations.

Population [references]	Sample Na	Clinical phenotype	Frequency (%)
Brazilians [our study]	136	EOPD	2.9
Brazilians [21]	72	EOPD	5.5
Brazilians [22]	45	EOPD	11.1
North Americans [18]	420	Familial PD	3.1
Belgians [19]	310	PD	3.5
Hispanics and non-Hispanics [20]	956	EOPD	3.2
Chineses [23]	66	EOPD	3
Italians [24]	65	EOPD	3

^aNumber of individuals analysed.