The distributions of RVA values at rest and during Valsalva manoeuvre across Sandvik severity groups are illustrated in Figure 3 , demonstrating a clear trend toward larger angles in more severe cases while highlighting inter-individual variability and overlap between categories.
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Transperineal Ultrasound Measurement of Retrovesical Angle at Rest for Assessing Severity of Stress Urinary Incontinence: A Cross-Sectional Study.
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