Research Article
Efficacy of Epley’s Maneuver in Treating BPPV Patients: A Prospective Observational Study
Table 5
Dose response relationship between Epley’s maneuver and controls among BPPV patients.
| | Level | Followup | Cases | Control | Total | Odds of Exp. | OR | Mantel-Haenszel
chi square for linear trend | value |
| | 1st course | 18 | 3 | 21 | 6 | 1 | | | | 2nd course | 1st | 5 | 10 | 15 | 0.5 | 0.08 | | | | 3rd course | 2nd | 1 | 6 | 7 | 0.17 | 0.03 | 16.82 | 0.00004115 | | 4th course | 3rd | 1 | 6 | 7 | 0.17 | 0.03 | | | | Total | | 25 | 25 | 50 | | | | |
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