		Age group						P*
		First group		Second group		Third group
		n	%	n	%	n	%
Mutation V726A	Negative	54	65.9%	56	58.3%	62	64.6%	0.528
Mutation V726A	Positive	28	34.1%	40	41.7%	34	35.4%	0.528
Mutation M6941	Negative	61	74.4%	69	71.9%	74	77.1%	0.71
Mutation M6941	Positive	21	25.6%	27	28.1%	22	22.9%	0.71
Mutation M694V	Negative	34	41.5%	54	56.3%	36	37.5%	0.024
Mutation M694V	Positive	48	58.5%	42	43.8%	60	62.5%	0.024
Mutation M6802	Negative	55	67.1%	65	67.7%	79	82.3%	0.031
Mutation M6802	Positive	27	33%	31	32.3%	17	17.7%	0.031