Table 1.

Patients classified by principal diagnosis and immune status

Group	Immunodefects	Number of DNA (serum) samples
I	None	101 (90)
II	Asthma	39 (35)
	Allergic rhinitis (pollen allergy)	18 (16)
	Allergic rhinitis (dust allergy)	11 (8)
	Allergic rhinitis (pollen and dust allergy)	6 (5)
	Allergic rhinitis (animal hair allergy)	5 (5)
	Food allergy	3 (3)
	Atopic dermatitis	4 (3)
	High IgE only, without atopic manifestations	8 (7)
III	Hypogammaglobulinemia	12 (11)
	Agammaglobulinemia	2 (2)
	IgA deficiency	15 (11)
	Low IgA level	8 (7)
	Low IgG level	14 (13)
	Low IgA and IgG levels	5 (4)
	Low IgG and IgM levels	3 (2)
	Low CH50 value	5 (2)
	IgA deficiency and low CH50 value	2 (1)
	CVID	6 (5)
	Nijmegen syndrome	2 (2)
IV	Low CD3 lymphocyte count	12 (12)
	Low CD4/CD8 lymphocyte count	19 (15)
	Low CD3 and CD4/CD8 lymphocyte counts	14 (13)
	Low CD3 lymphocyte count and defect of phagocytosis	1 (1)
	Defect of phagocytosis	1 (1)
X	Hypogammaglobulinemia and low CD3 lymphocyte count	1 (1)
	Hypogammaglobulinemia and low CD4/CD8 lymphocyte count	1 (1)
	Hypogammaglobulinemia and low NK cell count	1 (1)
	IgA deficiency and low CD4/CD8 lymphocyte count	3 (3)
	CVID and low CD4/CD8 lymphocyte count	2 (2)
	CVID, low CD3 and CD4/CD8 lymphocyte counts	1 (0)
	IgA deficiency and low CD4/CD8 lymphocyte and NK cell counts	1 (1)
	Low IgA level and low CD3 lymphocyte count	1 (1)
	Low CH50 value and defect of phagocytosis	1 (0)
	Low CH50 value and low CD3 lymphocyte count	1 (1)
	Low IgG and IgM levels and low CD3 lymphocyte count	1 (1)
	Low IgG level and low CD3 and CD4/CD8 lymphocyte count	2 (2)
	Low IgG level and low CD3 lymphocyte count	1 (1)
	Low IgA and IgG levels and low CD3 lymphocyte count	2 (2)