Curative Effects of Suhuang Zhike Capsule on Postinfectious Cough: A Meta-Analysis of Randomized Trials

Table 2

Subgroups of clinical efficacy of Chinese medicine symptoms and their descriptions.

Subgroups	Descriptions
Clinical cure	≥ 95%
Obvious effect	70% ≤ < 95%
Showing effect	30% ≤ < 70%
No effect	< 30%

Efficacy index () = (points before treatment − points after treatment)/points before treatment 100%. 0 points: no cough; 3 points: coughing occasionally; 6 points: coughing frequently; 9 points: coughing persistently.