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. 2021 Feb 5;16(2):e0246328. doi: 10.1371/journal.pone.0246328

Fig 7.

Fig 7

The changes in TL between the two assessments before and after the treatment of STEC (upper panels) and EC alone (the lower panels). A and C: The pre- and post-TL. B and D: the pre-post difference of TL. The TL got deteriorated in 2020 and worse than 2019 in the subgroup with anxiety (D). Significance: ** ρ < 0.01, *** ρ < 0.001 in ANOVA. STEC: sound therapy + educational counseling, EC: educational counseling, TL: tinnitus loudness.