Research Article
[Retracted] Analyzing the Treatment of Patients with Acute Exacerbation of COPD with the Aid of Intelligent Diagnosis Method
Table 10
Comparison of lung function among three groups before and after treatment (‾x ± s).
| Lung function | Groups | Before treatment | After treatment | t/z | |
| FEV1% | Control group | 52.75 ± 17.88 | 55.55 ± 14.92 | −2.517 | 0.018 | Chinese medicine group | 53.33 ± 17.91 | 59.92 ± 14.55 | −3.903 | 0.001 | Combined group | 52.96 ± 17.57 | 68.47 ± 10.37 | −3.773 | 0.000 |
| FEV1/FVC | Control group | 56.96 ± 7.90 | 57.78 ± 7.46 | −2.565 | 0.016 | Chinese medicine group | 56.72 ± 6.98 | 60.65 ± 4.31 | −6.834 | 0.001 | Combined group | 56.31 ± 6.49 | 63.95 ± 4.03 | −4.705 | 0.000 |
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Note: if the normal distribution was met, the t-test was used. Otherwise, the rank-sum test was used (with being the rank-sum test). |