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Table 2 Diagnostic criteria of TCM syndrome

From: Efficacy and safety of modified Bushen Yiqi formulas (MBYF) as an add-on to formoterol and budesonide in the management of COPD: study protocol for a multicentre, double-blind, placebo-controlled, parallel-group, randomized clinical trial: FB-MBYF Trial

Primary symptoms
[1] Shortness of breath
[2] Cough
[3] Chest tightness
Secondary symptoms
[1] Tinnitus
[2] Soreness-tired of waist and knee
[3] Spontaneous perspiration, intolerance to cold, cold hands, and feet
[4] Pollakiuria
[5] Lassitude, fatigue, disinclination to talk