Table 1.

Percentage of CD25+ cells and of HLA-DR+ cells among circulating CD4+ lymphocytes

Age	CD25+ (%)*	HLA-DR+ (%)†	Clinical event
0 (cord blood)	8·3	1·7	Birth
2 weeks	17·6	5·8	None
5½ weeks	13·8	7·7	Colitis
6 weeks	15·6	4·7	CSA initiated
41/4 months	10·0	10·0	Fever
73/4 months	14·3	18·6	Onset of T1Dm
83/4 months	10·0	10·0	High CSA level

^*Normal newborn range is <10%

^†Normal newborn range is <5%.