Table 3.

Sensitivity, specificity, over- and, undertriage by age groups.

Age	Sensitivity	Specificity	Overtriage	Undertriage	Pearson chi-square test
years	%	%	%	%	X 2		p-value
0 - < 1	80	46	54	20	(3, N = 256)	= 38.3	p<0.001
1 - < 4	77	46	54	23	(3, N = 276)	= 24.5	p<0.001
4 - < 7	69	54	46	31	(3, N = 210)	= 26.1	p<0.001
7 - 14	48	47	53	52	(2, N = 40)	= 5.3	p= 0.07
Total	74	48	52	26	(3, N = 782)	= 69.8	p<0.001