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Diagnostic worth of acoustic analysis of phonatory breaks

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Reference no: EM131723660

Muscle tension dysphonia (MTD) can masquerade as adductor spasmodic dysphonia (ADSD), leading to diagnostic confusion. An investigation assessed the diagnostic worth of acoustic analysis of phonatory breaks (PB) as a possible objective test to distinguish ADSD from MTD.

Acoustic Analysis of Phonatory Breaks to Test for ADSD and MTD (n=100)

Reference StandardTest OutcomeHas ADSDHas MTDPositive (PB≥40 ms)35

True Positive (TP)40

False Positive (FP) Negative (PB<40 ms)16

False Negative (FN)22

True Negative (TN)

Calculate the sensitivity, specificity, positive predictive value, and negative predictive value. Please interpret each result.

Reference no: EM131723660

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