Table 2.

Number of annual sinopulmonary infections before and after treatment by diagnosis groups in the subjects who received intravenous immunoglobulin

	Number of lung infections before IVIG/year Mean (min.–max.)	Number of lung infections after IVIG/year Mean (min.–max.)	p	Number of URTI before IVIG/year Mean (min.–max.)	Number of URTI after IVIG/year Mean (min.–max.)	p
CVID (n=25)	5 (1–14)	1 (0–2)	<0.001	10 (2–30)	2 (0–10)	<0.001
Hyper IgM (n=5)	4 (1–8)	0 (0–3)	NA	10 (7–15)	3 (0–4)	NA
XLA (n=3)	1 (0–2)	0 (0–1)	NA	4 (2–10)	0 (0–3)	NA
Total (n=33)	3 (0–14)	0 (0–3)	<0.001	10 (2–30)	5 (0–10)	<0.001

Ig: Immunoglobulin; IVIG: Intravenous immunoglobulin; Hyper IgM: Hyperimmunoglobulin M syndrome; CVID: Common variable immunodeficiency; XLA: X-linked agammaglobulinemia; Test: Wilcoxon signed-rank test