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. Author manuscript; available in PMC: 2024 Aug 6.
Published before final editing as: J Voice. 2023 Feb 6:S0892-1997(23)00010-3. doi: 10.1016/j.jvoice.2023.01.008

Table 1.

Summary statistics, including lower quartile (Q1), median, and upper quartile (Q3), for pitch discrimination in semitones (ST) and fundamental frequency (fo) variation (standard deviation [SD] in ST) for all 105 participants separated by group based on singing- and voice disorder-status.

Group N Pitch Discrimination (ST) fo Variation (fo SD in ST)
Q1 Median Q3 Q1 Median Q3
Non-singers with typical voices 26 0.26 0.38 0.54 1.83 2.13 2.46
Singers with typical voices 27 0.17 0.25 0.30 2.11 2.37 2.64
Non-singers with vocal hyperfunction 22 0.34 0.62 0.89 1.38 1.7 2.05
Singers with vocal hyperfunction 30 0.20 0.27 0.39 1.76 2.34 2.62