Table. Characteristics of the Study Population.
| Characteristic | Intervention | |
|---|---|---|
| Epley maneuver (n = 97) | Semont-plus maneuver (n = 98) | |
| Age, mean (SD) [range], y | 60.9 (13.8] [26-88] | 64.4 (13.9) [25-91] |
| Sex, No. (%) | ||
| Men | 30 (31) | 40 (41) |
| Women | 67 (69) | 58 (59) |
| Time until recovery, da | ||
| Mean (SD) | 3.3 (3.6) | 2.0 (1.6) |
| Median (range) | 2 (1-20) | 1 (1-8) |
| 95% CI | 2.62-4.06 | 1.64-2.28 |
| No. with first-time/recurrent episode/missing data | 62/33/2 | 56/36/6 |
| No. with affected right side/affected left side/missing data | 58/38/1 | 61/35/2 |
| No. with etiology idiopathic/nonidiopathic/missing data | 84/11/2 | 84/9/5 |
| Time until recovery for patients with a first-time BPPV, d | ||
| Mean (SD) | 2.9 (3.6) | 1.5 (0.9) |
| Median (range) | 1 (1-20) | 1 (1-5) |
| 95% CI | 1.96-3.77 | 1.22-1.67 |
| Time until recovery for patients with a recurrent BPPV, d | ||
| Mean (SD) | 4.1 (3.5) | 2.7 (2.2) |
| Median (range) | 3 (1-13) | 2 (1-8) |
| 95% CI | 2.85-5.27 | 2.02-3.43 |
| Time until recovery for patients with an idiopathic BPPV, d | ||
| Mean (SD) | 2.8 (2.9) | 2.0 (1.6) |
| Median (range) | 1 (1-14) | 1 (1-8) |
| 95% CI | 2.20-3.45 | 1.61-2.29 |
| Time until recovery for patients with a nonidiopathic BPPV, d | ||
| Mean (SD) | 6.8 (5.8)b | 2.0 (1.8)b |
| Median (range) | 5 (1-20) | 1 (1-8) |
| 95% CI | 3.39-10.25 | 0.80-3.20 |
Abbreviation: BPPV, benign paroxysmal positional vertigo.
a
Indicates number of days until no vertigo could be induced after performing a single self-maneuver (P = .01; α = .05, 2-tailed Mann-Whitney test).
b
Population SD was used due to small sample size.