Table 3. Odds ratios for benign paroxysmal positional vertigo with regards to dental procedures and comorbidities.
| Variable | BPPV | |
|---|---|---|
| Crude OR(95% CI) | Adjusted OR*(95% CI) | |
| Dental procedure | ||
| Within 1 month | 1.76(1.27–2.45) | 1.77(1.27–2.47) |
| Within 3 months | 1.75(1.38–2.22) | 1.77(1.39–2.26) |
| Comorbidities | ||
| Hypertension | 1.60(1.32–1.95) | 1.63(1.29–2.04) |
| Hyperlipidemia | 1.60(1.19–2.14) | 1.46(1.06–1.99) |
| Head trauma | 2.02(0.87–4.67) | 1.87(0.79–4.44) |
| Osteoporosis | 0.93(0.48–1.80) | 0.85(0.43–1.68) |
| Migraine | 4.06(1.63–10.09) | 4.23(1.68–10.67) |
| Stroke | 1.32(0.71–2.44) | 1.07(0.56–2.05) |
| Diabetes mellitus | 1.16(0.86–1.56) | 0.90(0.65–1.25) |
BPPV = benign paroxysmal positional vertigo; OR = odds ratio; CI = confidence interval
*Adjusted for age, gender, hypertension, hyperlipidemia, head trauma, osteoporosis, migraine, stroke, diabetes, socioeconomic status, urbanization and geographical region.