| Baseline (sd) | Follow up (sd) | Annual change (95% confidence interval) p value |
---|---|---|---|
FEV1 (L) | 1.89 (0.71) | 1.74 (0.68) | -37.7 ml (-52.0 to -23.4), p < 0.001 |
FEV1 (% predicted) | 76.8 (25.1) | 74.0 (27.3) | -0.8 (-1.5 to 0.0), p < 0.05 |
FVC (L) | 3.38 (0.88) | 3.26 (0.85) | -28.9 ml (-50.4 to -7.3), p < 0.01 |
FVC (% predicted) | 109.0 (19.3) | 111.0 (25.1) | 0.36 (-0.5 to 1.2), Not significant |
FEV1/FVC (%) | 56.6 (0.17) | 53.6 (0.17) | 0.75 (0.40 to 1.1), p < 0.001 |
TLCO (mmol/min/kpa) | 6.5 (2.4) | 5.8 (2.4) | -0.15 (-0.21 to -0.09), p < 0.001 |
TLCO (% predicted) | 81.8 (27.4) | 76.2 (27.3) | -1.3 (-2.1 to -0.6), p < 0.001 |
KCO (mmol/min/kpa/L) | 1.3 (0.4) | 1.2 (0.4) | -0.02 (-0.03 to -0.01), p < 0.001 |
KCO (% predicted) | 90.9 (31.6) | 85.0 (31.4) | -1.4 (-2.1 to -0.7), p < 0.001 |