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Analysis of pure tone average (PTA) and low tone average (LTA) according to cochlear and vestibular hydrops grades (0–2) in 246 ears of 123 patients. (A) and (C) One-way ANOVA with Scheffé's post-hoc multiple comparison test. (B) and (D) Welch's ANOVA with Games-Howell's post-hoc multiple comparison test. *p < 0.05; **p < 0.01; ****p < 0.0001.
