Table 3.

Influence of supplemental vitamin D on intensity of benign paroxysmal positional vertigo (BPPV) under rehabilitation therapy over 6 months follow-up duration

BBPV groups	Types of treatment	Baseline Mean + SD Median(range)		Month 2 Mean + SD Median(range)	pβ	Month 6 Mean + SD Median(range)
Vitamin D deficient ¥ (treatment group) (n=27)	Rehabilitation µ + vitamin D	7.+1.3 7(5-9)	0.15	0.44+0.80 0(0-3)	0.001	0.22+0.42 0(0-1)	0.001
Vitamin D deficient(non-treatment group) (n=27)	Rehabilitation µ alone	7.22+1.01 7(5-9)	0.39	0.22+0.42 0(0-1)	0.001	6.9+0.94 7(5-9)	0.001
Control (n=27)	Rehabilitation µ alone	6.8+1.01 7(5-9)	-	0.26+0.52 0(0-2)		0.3+0.82 0(0-3)	-

p^β Compared with baseline

^P* Comparison with the control group by Student t test

^¥ Serum 25-OHD < 20 mg/ml

^µ Epley therapy

^&Cholecalciferol 50.000 IU weekly for two months