Table 2.
The incidence rate (IR) and incidence rate ratio (IRR) of BPPV development in the study cohort.
| Osteoporosis (n = 177,797) | Non-osteoporosis (n = 177,797) | IRR‡ | 95% CI | p | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | BPPV | Person-Year | IR† | 95% CI | N | BPPV | Person-Year | IR† | 95% CI | ||||
| Overall | 177,797 | 4,964 | 1,572,005 | 31.6 | (30.70–32–46) | 177,797 | 2,801 | 1,548,231 | 18.1 | (17.42–18.76) | 1.75 | (1.67–1.83) | <0.0001 |
| Gender | |||||||||||||
| Male | 15,731 | 219 | 120,684 | 18.2 | (15.74–20.55) | 15,731 | 151 | 119,940 | 12.6 | (10.58–14.60) | 1.44 | (1.17–1.77) | 0.0005 |
| Female | 162,066 | 4,745 | 1,451,321 | 32.7 | (31.76–33.62) | 162,066 | 2,650 | 1,428,292 | 18.6 | (17.85–19.26) | 1.76 | (1.68–1.85) | <0.0001 |
| Age | |||||||||||||
| <65 | 83,195 | 2,838 | 806,125 | 35.2 | (33.91–36.50) | 83,195 | 1,699 | 809,096 | 21.0 | (20.00–22.00) | 1.67 | (1.58–1.78) | <0.0001 |
| ≥65 | 94,602 | 2,126 | 765,880 | 27.8 | (26.58–28.94) | 94,602 | 1,102 | 739,135 | 14.9 | (14.03–15.79) | 1.86 | (1.73–2.00) | <0.0001 |
†IR: incidence rate (per 1000 persons).
‡IRR: incidence rate ratio (per 1000 persons).
Statistically significant (P < 0.05) values are highlighted in bold.