Table 2.
Characteristics of BPPV recurrences
| BPPV patients with recurrence (N = 391, %) | ||||||
|---|---|---|---|---|---|---|
| Sex | Age | |||||
| Men (N = 105) | Women (N = 286) | P for trend | < 60 (N = 220) | ≥ 60 (N = 171) | P for trend | |
| Number of recurrences | ||||||
| 1 | 78 (74.3)) | 186 (65.0) | 0.077 | 153 (69.5) | 111 (64.9) | 0.004 |
| 2 | 17 (16.2) | 69 (24.1) | 45 (20.5) | 41 (24.0) | ||
| 3 | 6 (5.7) | 19 (6.6) | 15 (6.8) | 10 (5.8) | ||
| 4 + | 4 (3.8) | 12 (4.2) | 7 (3.2) | 9 (5.3) | ||
| Duration between diagnosis and 1st recurrence | ||||||
| < 1 month | 32 (30.5) | 62 (21.7) | 0.058 | 57 (25.9) | 37 (21.6) | 0.003 |
| 1–3 months | 24 (22.9) | 61 (21.3) | 45 (20.5) | 40 (23.4) | ||
| 4–6 months | 7 (6.7) | 38 (13.3) | 28 (12.7) | 17 (9.9) | ||
| 7–12 months | 12 (11.4) | 44 (15.4) | 34 (15.5) | 22 (12.9) | ||
| > 12 months | 30 (28.6) | 81 (28.3) | 56 (25.5) | 55 (32.2) | ||
| Duration between 1st and 2nd recurrence | ||||||
| < 1 month | 9 (33.3) | 26 (26.0) | 0.296 | 22 (32.8) | 13 (21.7) | 0.189 |
| 1–3 months | 6 (22.2) | 21 (21.0) | 9 (13.4) | 18 (30.0) | ||
| 4–6 months | 2 (7.4) | 13 (13.0) | 6 (9.0) | 9 (15.0) | ||
| 7–12 months | 6 (22.2) | 18 (18.0) | 11 (16.4) | 13 (21.7) | ||
| > 12 months | 4 (14.8) | 22 (22.0) | 19 (28.4) | 7 (11.7) | ||
Chi-squared test for trend was used to compare differences between the two groups