Table 3.
Baseline and change in secondary outcome measures at 3 months
| Usual care
|
SPACE for COPD
|
Between-group difference | |||
|---|---|---|---|---|---|
| Baseline | Change | Baseline | Change | ||
| CRQ-dyspnea | 2.22 (0.95) | 0.45 (1.17)* | 2.36 (0.99) | 1.05 (1.26)** | P=0.062 |
| CRQ-fatigue | 2.40 (0.97) | 0.62 (1.21)** | 2.23 (1.08) | 0.99 (1.22)** | P=0.245 |
| CRQ-emotion | 3.41 (1.29) | 0.37 (1.60) | 3.12 (0.99) | 1.09 (1.51)** | P=0.077 |
| CRQ-mastery | 3.24 (1.36) | 0.89 (1.51)** | 2.81 (1.11) | 1.41 (1.48)** | P=0.181 |
| ISWT (m) | 60 (10–167.50) | 30 (0–95)** | 60 (30–150) | 45 (0–70)** | P=0.769 |
| ESWT (seconds) | 50 (0–171) | 155 (21–618.50)** | 110 (8–196.50) | 178.5 (−3.75 to 443.50)** | P=0.951 |
| HADS-anxiety | 7.79 (3.84) | 0.28 (3.48) | 9.62 (4.33) | −0.27 (3.45) | P=0.563 |
| HADS-depression | 7.18 (3.18) | 0.76 (4.30) | 6.97 (4.18) | 0.54 (3.29) | P=0.833 |
| PRAISE | 39.08 (9.40) | 2.34 (8.73) | 40.15 (7.73) | 0.54 (9.48) | P=0.465 |
| BCKQ | 31.71 (9.21) | 2.10 (7.19) | 33.90 (8.38) | 3.92 (7.14)* | P=0.364 |
Notes: Mean (SD) or median (IQR) are reported as appropriate.
*
P<0.05 within-group difference,
**
P<0.01 within-group difference.
Abbreviations: SD, standard deviation; IQR, interquartile range; SPACE, Self-management Program of Activity, Coping, and Education; CRQ, Chronic Respiratory Questionnaire; ISWT, Incremental Shuttle Walk Test; ESWT, Endurance Shuttle Walk Test; HADS, Hospital Anxiety and Depression Scale; PRAISE, Pulmonary Rehabilitation Adapted Index of Self-Efficacy; BCKQ, Bristol COPD Knowledge Questionnaire.