Table 2.

Relationship of IgA deficiency to other features associated with the chromosome 22q11.2 deletion syndromea

Phenotypic featureNo. (%) of patients with IgA level/no. testedP value
<10 mg/dl>10 mg/dl
Developmental delay2/4 (50)10/14 (71)0.57
Cardiac defects2/4 (50)14/28 (50)1.40
Hypocalcemiab 1/4 (25)13/27 (48)0.61
Palatal abnormalities3/4 (75)13/28 (46)0.60
  • a Most patients have more than one feature.

  • b Studies not performed for every patient.