ΔFVC | 0–6 months | 6–12 months | 12–18 months | 18–24 months |
---|---|---|---|---|
significant improvement (∆FVC >10%) marginal improvement (10% ≥ ∆FVC>5%) stabilization (+5% ≥ ∆FVC>-5%) marginal decline (−5% ≥ ∆FVC>-10%) significant decline (∆FVC ≤ -10%) n | 14 (5.6%) 35 (14%) 152 (60.8%) 31 (12.4%) 18 (7.2%) 250 | 7 (3.1%) 25 (11.2%) 152 (68.2%) 28 (12.6%) 11 (4.9%) 223 | 4 (2.9%) 9 (6.6%) 89 (65%) 31 (22.6%) 4 (2.9%) 137 | 0 (0%) 2 (3.6%) 36 (65.5%) 16 (29.1%) 1 (1.8%) 55 |
∆TLCO | 0–6 months | 6–12 months | 12–18 months | 18–24 months |
significant improvement (∆TLCO >15%) stabilization (+15% ≥ ∆TLCO>-15%) significant decline (∆TLCO ≤ -15%) n | 4 (1.7%) 210 (87.1%) 27 (11.2%) 241 | 4 (1.8%) 197 (90.8%) 16 (7.4%) 217 | 8 (5.7%) 119 (85%) 13 (9.3%) 140 | 1 (1.6%) 55 (87.3%) 7 (11.1%) 63 |