Table 1. Demographic characteristics of participants.

Variable	Numbers of recovery	Numbers of no recovery	OR value	P value
Gender
Male	63	42	1
Female	79	48	0.911 (0.536–2.356)	0.732
Age (year)
<20	7	2	1
20–40	29	15	0.467 (0.088–2.483)	0.372
40–60	74	42	0.440 (0.089–2.171)	0.314
≥60	32	31	0.258 (0.051–1.312)	0.103
Hypertension
Presence	10	18	1
Absence	132	72	0.303 (0.133–0.691)	0.005*
Diabetes
Presence	23	8	1
Absence	119	82	1.981 (0.845–4.645)	0.116
Dizziness
Presence	14	27	1
Absence	128	63	0.255 (0.125–0.520)	<0.001*
Time from onset to treatment(days)
<4	58	22	1
≥4	84	68	0.469 (0.261–0.842)	0.011*

*, P<0.05.