Table 1.

Genotype and age distribution.

Genotype	0–20 years		21–40 years		41–60 years		>60 years		Total
	n	%	n	%	n	%	n	%
G1	7	2.7	54	20.5	125	47.7	76	28.9	262
G2	3	6.8	2	4.5	23	52.3	16	36.4	44
G3	1	3.4	6	20.7	17	58.6	5	17.2	29
G4	7	1.2	104	17.1	319	52.5	178	29.3	608
G5	0	0.0	0	0.0	1	33.3	2	66.7	3
G6	0	0.0	0	0.0	3	100	0	0.0	3
Mixed	0	0.0	7	10.9	33	51.5	24	37.5	64