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Reprinted from Otolaryngology ‐ Head and Neck Surgery, 107(3), Epley JM, The canalith repositioning procedure: for treatment of benign paroxysmal positional vertigo, 399‐404, Copyright (1992), with permission from the American Academy of Otolaryngology ‐‐ Head and Neck Surgery Foundation, Inc."
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Figure 1

Reprinted from Otolaryngology ‐ Head and Neck Surgery, 107(3), Epley JM, The canalith repositioning procedure: for treatment of benign paroxysmal positional vertigo, 399‐404, Copyright (1992), with permission from the American Academy of Otolaryngology ‐‐ Head and Neck Surgery Foundation, Inc."

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.
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Figure 2

'Risk of bias' summary: review authors' judgements about each risk of bias item for each included study.

Comparison 1 Epley versus placebo manoeuvre: subjective symptom resolution, Outcome 1 Subjective report of complete symptom resolution.
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Analysis 1.1

Comparison 1 Epley versus placebo manoeuvre: subjective symptom resolution, Outcome 1 Subjective report of complete symptom resolution.

Comparison 2 Epley versus placebo manoeuvre: conversion of positive to negative Dix‐Hallpike test, Outcome 1 Conversion of positive to negative Dix‐Hallpike test.
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Analysis 2.1

Comparison 2 Epley versus placebo manoeuvre: conversion of positive to negative Dix‐Hallpike test, Outcome 1 Conversion of positive to negative Dix‐Hallpike test.

Comparison 1. Epley versus placebo manoeuvre: subjective symptom resolution

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Subjective report of complete symptom resolution Show forest plot

5

273

Odds Ratio (M‐H, Fixed, 95% CI)

4.42 [2.62, 7.44]

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Comparison 1. Epley versus placebo manoeuvre: subjective symptom resolution
Comparison 2. Epley versus placebo manoeuvre: conversion of positive to negative Dix‐Hallpike test

Outcome or subgroup title

No. of studies

No. of participants

Statistical method

Effect size

1 Conversion of positive to negative Dix‐Hallpike test Show forest plot

5

273

Odds Ratio (M‐H, Fixed, 95% CI)

6.40 [3.63, 11.28]

Figuras y tablas -
Comparison 2. Epley versus placebo manoeuvre: conversion of positive to negative Dix‐Hallpike test