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| Group 1 (n=20) | Group 2 (n=20) | Group 3 (n=20) | P | |
|---|---|---|---|---|
| ΔFEV1 (%) | 5.5 (1 to 48) | 2 (-5 to 10) | 3 (-2 to 9) | 0.01 |
| ΔRV (%) | -12.5 (-93 to 107) | -50 (-218 to 35) | -35 (-160 to 20) | 0.12 |
| ΔTLC (%) | -12 (-36 to 38) | -16 (-175 to 118) | -17 (-140 to 34) | 0.38 |
| ΔPEF25/75 (%) | 13 (4 to 19) | 8 (2 to 10) | 7 (2 to 12) | 0.01 |
