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Mean reduction in CPIS scores between 2 groups (a) before and (b) after chest physiotherapy
| CPIS score | P value | |
|---|---|---|
| (a) Before chest physiotherapy | ||
| Control group | 2.4 ± 1.62 | 0.000 |
| Study group | 3.9 ± 1.69 | |
| (b) After chest physiotherapy | ||
| Control group | 10.586 (1.9 ± 2.9) | 0.000 |
| Study group | 16.434 (3.4 ± 4.4) | 0.000 |
