Table 1: Subgroups of clinical efficacy of TCM and their descriptions.

SubgroupsDescriptions

Clinical cureCough symptoms completely resolved. Score of all main symptoms became zero.
Obvious effectCough significantly reduced or disappeared. Score of all main symptoms dropped two levels.
Showing effectSignificantly reduced cough, score of all main symptoms dropped one level, a primary disease dropped two levels, and another dropped one level.
No effectNo obvious mitigation of cough or even having an aggravating cough.