Table 1.

Immunological characteristics of the severe combined immunodeficiency (SCID) patient.

Absolute Cell Counts	80 Cells/mL
Lymphocyte subpopulations (age corrected normal % range)	%
CD3+ T cells (52–83)	1.9
CD4+ T cells (31–58)	1
CD8+T cells (16–40)	0.9
CD19+ B cells (5–18)	0
CD16+56+NK cells (5–27)	94
Immunophenotype	T-B-NK+
Gene defect	RAG1
Serum Immunoglobulins (age corrected normal range)	g/L
IgG (270–1100)	<35
IgM (20–170)	<5.25
IgA (110–115)	<7.83
T cell proliferation	PHA-