Table 5

Responder rates at 6 and 12 months

VariableMCID6 months (%)12 months (%)
6MWD≥26 m1352.860.0
SGRQ≥4 points1474.165.6
SGRQ≥8 points61.153.1
  • Responder rates at 6 and 12 months after bilateral lung volume reduction coil treatment using minimal clinically important differences (MCID) for forced expiratory volume in 1 s (FEV1), residual volume (RV), 6-min walking distance (6MWD) and the St George's Respiratory Questionnaire total score (SGRQ). Results are given as percentage of responders to total patients.