Table 1.

Data and 25(OH)D levels of four patients with severe recurrent BPPV

Patient number	Sex	Age	25(OH)D (ng/mL)	History of complaints (since when)
14	f	64	11	recurrent episodes since 2 years; sum of episodes 8; each episode for weeks
15	f	45	16	recurrent episodes since 4 years, sum of episodes : 10; each episode for weeks
16	f	72	13	episodes 10 years ago, then 5 years ago, since 2 years approx. every second month; sum of episodes 13; each episode for days
18	f	53	15	since 2 years every third months; sum of episodes: 5; each episode for weeks