Table 3.
Comparison Between Two Groups
| Measures | Group A (n=23) | Group B (n=32) | P-Value |
|---|---|---|---|
| Age | 68.96±7.68 | 67.63±8.08 | 0.541 |
| Education, n (%) | 0.138 | ||
| Primary | 7 (30.4) | 14 (43.8) | |
| Middle | 6 (26.1) | 2 (6.3) | |
| High school | 3 (13.0) | 8 (25) | |
| College | 7 (30.4) | 8 (25) | |
| FEV1 | 61.52±11.72 | 65.78±15.60 | 0.275 |
| mMRC | 1.26±0.92 | 1.13±0.91 | 0.588 |
| Time since COPD diagnosis (years) | 5.22±5.11 | 2.73±2.43 | 0.038 |
| CAT | 12.43±7.80 | 15.37±8.24 | 0.188 |
| RES | 20.09±3.85 | 19.6±5.03 | 0.641 |
| HADS | |||
| Anxiety | 5.17±5.70 | 5.41±5.27 | 0.877 |
| Depression | 6.91±5.48 | 7.31±5.48 | 0.791 |
| Δ CAT | −2.61±5.88 | 2.41±7.48 | 0.010 |
| Δ RES | 0.0±3.95 | 0.88±5.14 | 0.304 |
| Δ Inhaler technique | −1.39±1.47 | −1.47±1.48 | 0.849 |
| Δ HADS | |||
| Δ Anxiety | −0.52±2.75 | 0.72±3.74 | 0.105 |
| Δ Depression | 0.26±3.83 | 1.19±4.32 | 0.599 |
| Δ FEV1 | −0.70±5.61 | −3.09±9.05 | 0.223 |
Notes: Group A: less than 5 points increase of knowledge score after disease education; Group B: equal or more than 5 points increase of knowledge score after disease education.
Abbreviations: FEV1, forced expiratory volume in 1 second; mMRC, modified Medical Research Council; COPD, chronic obstructive pulmonary disease; CAT, COPD Assessment test; RES, Rosenberg self-esteem; HADS, Hospital Anxiety and Depression Scale; Δ=change in score (scores collected at baseline – scores collected at visit 3).