| HI<1.45 (n=15) | HI 1.45 - ≤1.90 (n=15) | HI>1.90 (n=14) | ||||
| 6 mo | 12 mo | 6 mo | 12 mo | 6 mo | 12 mo | |
| Lobar reduction (%) | 34 | 31 | 44 | 44 | 66 | 59 |
| RV (mL) | -203 | -88 | -311 | -304 | -753 | -559 |
| FEV1 (mL) | 119 | 67 | 139 | 94 | 168 | 96 |
| FEV1 (%Δ) | 16 | 9 | 14 | 10 | 21 | 12 |
| mMRC | -0.64 | -0.67 | -0.93 | -0.54 | -1.17 | -1.36 |
| 6MWD (m) | 34 | 2 | 65 | 19 | 40 | 36 |
| SGRQ (units) | -15 | -6 | -13 | -12 | -14 | -14 |