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Comparison of the degree of dyspnoea between the two groups of patients
| Group | Cases |
6 min walking distance (m)
|
Dyspnoea scale score
|
||
|
Before treatment
|
After treatment
|
Before treatment
|
After treatment
|
||
| Control | 61 | 320.64 ± 43.28 | 399.83 ± 34.26a | 2.84 ± 0.53 | 2.06 ± 0.37a |
| Observation | 61 | 321.73 ± 38.45 | 452.65 ± 37.46a | 2.88 ± 0.35 | 1.45 ± 0.22a |
| t | 11.247 | 8.305 | 0.132 | -0.083 | |
| P value | 0.637 | 0.032 | 0.593 | 0.002 | |
P < 0.05 vs before treatment.
