Table 1.

Summary of the clinical manifestations in individuals with SIgAD.

Characteristic	Percentage (%)*	References
IgA concentration < 0.07 mg/ml	100%	2, 39–43
Asymptomatic	60%	2, 62, 98–100
Mild infections	12%	39, 40, 98–102
Severe infections	2%	101–105
Allergies	15%	34, 99, 106–117
Autoimmune disorders	11%	54, 61, 99, 118–121
Cancer	4.8%	101, 112–124

*Based on reference 100.