[Retracted] Analyzing the Treatment of Patients with Acute Exacerbation of COPD with the Aid of Intelligent Diagnosis Method

Table 6

Within-group comparison of CAT scores before and after treatment in the three groups (x ± s).

Group	Before treatment	After treatment	t
The control group	25.47 ± 3.22	18.47 ± 3.15	19.338	0.001
The TCM group	25.11 ± 2.90	16.18 ± 3.32	19.296	0.001
The combined group	24.90 ± 3.14	14.10 ± 3.06	21.493	0.001

Note: consistent with normal distribution using the t-test.