Table 1.

Clinical characteristics of EIgM and NIgM patients

Parametera	EIgM	NIgM	p
N	15/46(32.6)	31/46(67.4)	N/A
Gender, male	8/15(53)	16/31(52)	p = 0.9
Average age, years	15.2 ± 2.8	14.3 ± 5.2	p = 0.35
Age of elevated IgM detection, years	9.3 ± 4.2	N/A	N/A
IgM levels (mg/dl)	356 ± 200	129.2 ± 56.5	p < 0.001
Deceased N/Total in the group	8/15(53.3)	9/31(29)	p = 0.05
Age at demise, years	13.7 ± 4.2	18.3 ± 6.3	p = 0.042

N/A Not Applicable

^aContinuous variables are presented as mean ± SD. Categorical variables are presented as N (%)