Probable benign paroxysmal positional vertigo, spontaneously resolved: Incidence in medical practice, patients' characteristics and the natural course.

The fact that the p-value for this variable did not reach statistical significance could be due to the fact that there were not many patients in these categories (20 in the pBPPVsr group and 75 in the BPPVnsr group) as a densitometry performed within the two years prior to the medical interview was required for patients to be included in these categories.

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