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GRBAS Scale

  • Grade
  • Roughness
  • Breathiness
  • Asthenia
  • Strain

The 5 categories above are used to grade voice.

Each category is given a score where 0 = normal, 1 = mild, 2= moderate, and 3 = severe.

Original article by Hirano 1981.

Nemr K, Simões-zenari M, Cordeiro GF, et al. GRBAS and Cape-V scales: high reliability and consensus when applied at different times. J Voice. 2012;26(6):812.e17-22.

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