Table 1.

Characteristics of the included tick-borne encephalitis (TBE) patients and controls

	TBE patients (n = 20)	Control persons (n = 32)
Median age, years (range)	52.5 (34–88)	30 (18–57)
Male gender	11 (55%)	20 (62.5%)
Concomitant diseases*	9/20 (45%)	–
Number of CSF samples	44	32
Number of serum samples	44	32

^*11/20 patients were previously completely healthy. Of the 9 patients with concomitant diseases, 2/9 had substitution treatment for hypothyroid, 2/9 were treated for hypertonia, 2/9 had treatment for depression and/or bipolar disease, 6/9 had musculoskeletal pain, 1/9 was operated for mammalian cancer, 1/9 was operated for colon cancer, 1/9 was treated with estrogen substitution, and 1/9 had chronic obstructive lung disease. Neither of the patients were on immunosuppressive treatment