Table 1.

Precipitating conditions for patients with persistent postural-perceptual dizziness (n).

Vestibular disorders	n = 78	Non-vestibular disorders	n = 19	No specific precipitants	n = 11
Acute attack of peripheral vestibular vertigo	n = 31	Chronic anxiety disorders	n = 12
BPPV	n = 20	Post-traumatic brain injury	n = 3
Meniere's disease	n = 15	Orthostatic dysfunction	n = 2
Sudden deafness with vertigo	n = 5	Cerebellar infarction	n = 1
Vestibular neuritis	n = 4	Drug-induced vertigo	n = 1
Vestibular migraine	n = 1
Delayed endolymphatic hydrops	n = 1
Labyrinthitis due to cholesteatoma	n = 1

BPPV, Benign paroxysmal positional vertigo.