Effects of traditional Chinese medicine on symptoms of patients with spleen and stomach deficiency-related tinnitus

Figure 2 Assessment of tinnitus severity, sleep quality, and emotional state before and after treatment. A, B and D: Significant differences for Tinnitus Evaluation Questionnaire (TEQ; A), Pittsburgh Sleep Quality Index (PSQI; B) and Depression-Anxiety-Stress Scale-21 (DASS-21) scores (D) in patients with spleen and stomach deficiency-related tinnitus before and after treatment; C: PSQI total score was positively correlated with TEQ score of tinnitus severity. TEQ scores in patients with spleen and stomach deficiency-related tinnitus before treatment were positively correlated with PSQI scores. ^aP < 0.05. TEQ: Tinnitus Evaluation Questionnaire; PSQI: Pittsburgh Sleep Quality Index; DASS-21: Depression-Anxiety-Stress Scale-21.