Table 1 Clinical characteristics of EIgM and NIgM patients

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