Table 2

Characteristics of EBV-positive and EBV-negative XLP1 patients

EBV positive (64.6%, n = 51)EBV negative (35.4%, n = 28)
Median age at presentation 4 y (8 mo-40 y) 3 y (0-31 y) 
Family history of XLP1 17.6% 42.9% 
HLH 51% 21.4% 
FIM 17.6%  
Lymphoma 19.6% 25% 
Dysgammaglobulinemia 37.2% 51.8% 
Mortality 35.2% 28.6% 
Median age at death 3 y 6 mo (14 mo-21 y) 5 y 11 mo (20 mo-31 y) 
EBV positive (64.6%, n = 51)EBV negative (35.4%, n = 28)
Median age at presentation 4 y (8 mo-40 y) 3 y (0-31 y) 
Family history of XLP1 17.6% 42.9% 
HLH 51% 21.4% 
FIM 17.6%  
Lymphoma 19.6% 25% 
Dysgammaglobulinemia 37.2% 51.8% 
Mortality 35.2% 28.6% 
Median age at death 3 y 6 mo (14 mo-21 y) 5 y 11 mo (20 mo-31 y)