Table 1. Demographics of patients and controls.

	Inner ear fluid analysis	Peripheral blood analysis
	Male to female ratio
Controls	1:2	7:3
Patients	1:2	5:5
	Mean age in years (mean ± SD)
Controls	47.3 ± 5.5	43.1 ± 7.8
Patients	39.0 ± 22.5	49.6 ± 7.0