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The average measured values of FEV1 expressed as a per cent of average of normal values for that group of patients at first and last examination according to the using therapy in phases of illness exacerbations
| All patients | Firstexam. | Lastexam. | Difference | |
|---|---|---|---|---|
| Received complete therapy | _X | 39.36 | 38.04 | -1.32 |
| S.D. | 12.61 | 15.05 | 14.88 | |
| Not received completetherapy | _X | 36.13 | 29.99 | -6.14 |
| S.D. | 12.79 | 10.98 | 12.29 |
