TABLE 3.

Median and 80% upper-limit-of-normal reference values for ASO and ADB titers, by yearly age group for children aged 5 to 14 years

Age (yr)	No. of subjects	ASO titer (IU/ml)		ADB titer (IU/ml)
		Median	80% upper limit of normal	Median	80% upper limit of normal
5	16	116	222	220	433
6	13	126	241	232	455
7	17	134	255	241	472
8	24	139	265	248	484
9	27	143	272	253	493
10a	27	145	276	257	499
11	22	146	278	259	503
12	32	146	277	261	504
13	6	145	275	261	504
14	2	144	272	261	503

^aThe data were derived as described in footnote a of Table 2. Note that the reference values for the 5- to 14-year-old age group in Table 2 are the reference values estimated for age 10.