Table 1. Characteristics of donors.

Group	N (M/F)	Age (years)	Disease onset age	Measles vaccination	Measles	Age of infection (months)
SSPE	120 (75/45)	9 (1–34)	9 (3–19)	46.7%	56.7%	18 (2–108)
ICON	78 (41/37)	8 (1–24)	6 (2–15)	43.6%	7.7%
NICON	63 (43/20)	11 (1.5–38)	6.5 (1–16)	47.6%	6.4%

SSPE: Subacute sclerosing panencephalitis patients, ICON: Controls with inflammatory diseases, NICON: Controls with non-inflammatory diseases. Ages were presented as median values, and minimum and maximum values were given in parentheses. M: male, F: female.