A Novel BLNK Gene Mutation in a Four-Year-Old Child Who Presented with Late Onset of Severe Infections and High IgM Levels and Diagnosed and Followed as X-Linked Agammaglobulinemia for Two Years

Table 3

Patient’s Ig levels by age.

	Initial visit	Second visit	5-year-old	6-year-old	7-year-old	8-year-old
IgG (mg/dl)	81 (n: 894 ± 157)	134 (n: 894 ± 157)	422 (n: 1008 ± 209)	423 (n: 1008 ± 209)	569 (n: 1061 ± 203)	725 (n: 1061 ± 203)
IgM (mg/dl)	258 (n: 92 ± 35)	131 (n: 92 ± 35)	18, 4 (n: 113 ± 40)	<17 (n: 113 ± 40)	<17 (n: 106 ± 43)	<19 (n: 106 ± 43)
IgA (mg/dl)	<5 (n: 72 ± 22)	6,6 (n: 72 ± 22)	6, 5 (n: 99 ± 37)	6, 5 (n: 99 ± 37)	<27 (n: 116 ± 42)	<28 (n: 116 ± 42)
Treatment	—	Initiation of IVIG therapy	IVIG therapy (IVIG) (0, 5 g/kg/dose) once a month