Table 3.
The incidence rate (IR) and incidence rate ratio (IRR) of BPPV recurrence in the study cohort.
| Osteoporosis (n = 4,964) | Non-osteoporosis (n = 2,801) | IRR‡ | 95% CI | p | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | Rec BPPV | Person-Year | IR† | 95% CI | N | Rec BPPV | Person-Year | IR† | 95% CI | ||||
| Overall | 4,964 | 876 | 46,779 | 187.3 | (174.9–199.7) | 2,801 | 437 | 26,720 | 163.5 | (148.2–178.9) | 1.15 | (1.02–1.28) | 0.0208 |
| Gender | |||||||||||||
| Male | 219 | 37 | 1,973 | 187.5 | (127.1–248.0) | 151 | 19 | 1,447 | 131.3 | (72.24–190.3) | 1.43 | (0.82–2.48) | 0.2063 |
| Female | 4,745 | 839 | 44,806 | 188.7 | (176.0–201.5) | 2,650 | 418 | 25,273 | 166.4 | (150.5–182.4) | 1.13 | (1.01–1.28) | 0.0356 |
| Age | |||||||||||||
| <65 | 2,838 | 507 | 27,001 | 187.8 | (171.4–204.1) | 1,699 | 279 | 16,322 | 170.9 | (150.9–191.0) | 1.10 | (0.95–1.27) | 0.2075 |
| ≥65 | 2,126 | 369 | 19,778 | 186.6 | (167.5–205.6) | 1,102 | 158 | 10,398 | 152.0 | (128.3–175.6) | 1.23 | (1.02–1.48) | 0.0309 |
†IR: incidence rate (per 1000 persons).
‡IRR: incidence rate ratio (per 1000 persons).
Statistically significant (P < 0.05) values are highlighted in bold.