Table S2.
Clinical outcome after ELVR
| Parameters | Baseline | Follow-up | Absolute change | Relative change (%) | P-value |
|---|---|---|---|---|---|
| FEV1 (% pred) | 26.2±6.9 | 32.0±9.3 | 5.8±6.5 | 23.8±24.9 | 0.001 |
| VC (% pred) | 64.0±13.4 | 72.8±15.3 | 8.8±12.1 | 15.9±23.2 | 0.001 |
| RV (% pred) | 219±38 | 200±46 | −18.7±37.1 | −8.0±17.3 | 0.001 |
| TLC (% pred) | 123±14 | 120±17 | −2.4±12.2 | −1.8±9.9 | 0.129 |
| KCO (% pred) | 34.6±19.8 | 35.2±14.8 | 4.9±13.4 | 31.1±55.0 | 0.013 |
| 6MWT (m) | 222±89 | 257±103 | 34.6±62.3 | 28.0±84.4 | 0.001 |
| SGRQ (points) | 65.7±13.3 | 55.4±16.6 | −10.1±14.0 | −15.4±20.4 | 0.001 |
Notes: Data are presented as mean ± standard deviation. Numbers may not sum up to total due to rounding. P-values were calculated using the Wilcoxon test.
Abbreviations: ELVR, endoscopic lung volume reduction; FEV1, forced expiratory volume in 1 second; RV, residual volume; VC, vital capacity; TLC, total lung capacity; KCO, diffusing capacity of the lung for carbon monoxide; SGRQ, St George’s Respiratory Questionnaire; 6MWT, 6-minute walk test distance.