A Precocious Cerebellar Ataxia and Frequent Fever Episodes in a 16-Month-Old Infant Revealing Ataxia-Telangiectasia Syndrome

Table 2

Immunoglobulin levels. A reduction of IgG, IgA and IgG₂ subset was found at diagnosis.

Immunoglobulin levels	Absolute number; (mg/dL-UI/mL)	Reference values; (5th–95th centiles)
IgG	88	264–1509
IgA	<4	17–178
IgM	187	48–337
IgE	<0.1	≤20
IgG2	13	30–170