Table 1.

Demographic data of samples

Variable	Sample I n = 503	Sample II n = 36
Women; n (%)	303 (60)	22 (61)
Age; mean year (SD), min-max	50.0 (11.7), 18–71	48.4 (11.6), 24–73
Vestibular diagnosis; n (%)	311 (62)	26 (72)
Still dizzy; n (%)	365 (73)	36 (100)
Spells of dizziness within the last month; n (%)	295 (59)	36 (100)
Dizziness duration; mean month (SD), min-max	104.1 (79.0), 8–636	31.3 (50.0), 1–234

SD: standard deviation