Table 4 MCID estimates for minimally improved patients as indicated on the GRC during follow-up
Measurement period | N | CAT | CAT Standardized | CCQ Total | CCQ Total Standardized | SGRQ Total |
|---|---|---|---|---|---|---|
15-point GRC T1-T0 | 196 | −3.1*±5.3 (− 3.9 to − 2.4) | − 7.8*±13.2 (− 9.7 to − 5.9) | −0.6*±0.8 (− 0.7 to − 0.4) | − 9.3*±14.0 (− 11.3 to − 7.3) | − 8.4*±11.8 (− 10.1 to − 6.7) |
15-point GRC T2-T0 | 107 | −2.7*±6.4 (− 4.0 to − 1.5) | −6.9*±16.1 (− 9.9 to − 3.8) | −0.4*±1.0 (− 0.6 to − 0.2) | − 7.3*±16.8 (− 10.5 to − 4.0) | − 7.6*±13.8 (− 10.2 to − 4.9) |
15-point GRC T3-T0 | 96 | − 2.7*±6.7 (− 4.1 to − 1.4) | −6.8*±16.7 (− 10.2 to − 3.5) | −0.4*±1.1 (− 0.6 to − 0.2) | − 7.0*±18.0 (− 10.6 to − 3.3) | − 9.2*±14.0 (− 12.1 to − 6.3) |
15-point GRC T4-T0 | 80 | −2.3*±6.1 (− 3.7 to − 1.0) | −5.8*±15.2 (− 9.2 to − 2.4) | −0.5*±0.8 (− 0.7 to − 0.3) | − 7.6*±13.8 (− 10.8 to − 4.7) | − 10.3*±12.9 (− 13.2 to − 7.4) |
15-point GRC T5-T0 | 88 | −2.8*±6.7 (− 4.2 to − 1.4) | −7.0*±16.7 (− 10.5 to − 3.5) | − 0.5*±1.0 (− 0.7 to − 0.3) | − 8.3*±16.3 (− 11.7 to − 4.8) | − 8.8*±14.1 (− 11.8 to − 5.8) |
Five-point GRC T5-T0 | 81 | −1.4*±5.9 (− 2.7 to − 0.1) | −3.5*±14.7 (− 6.7 to − 0.3) | −0.3*±0.8 (− 0.5 to − 0.2) | − 5.5*±13.8 (− 8.7 to − 2.5) | −7.7*±12.9 (− 10.5 to − 4.8) |