Table 1.
Patient Demographics
| Characteristics | Control (n = 70) | Intervention (n = 67) | P value |
|---|---|---|---|
| Age at enrollment (years) | |||
| Mean (SD) | 66.6 (8.21) | 66.7 (8.72) | 0.898 |
| Male, n (%) | 37 (52.9) | 40 (59.7) | 0.420 |
| Race, n (%) | |||
| White | 55 (78.6) | 53 (79.1) | 0.420 |
| Black | 11 (15.7) | 14 (20.9) | |
| Other | 4 (5.7) | 0 (0) | |
| Baseline CCQ scoresa | |||
| Total, mean (SD) | 2.8 (0.97) | 2.3 (0.91) | 0.002 |
| Symptom, mean (SD) | 3.0 (1.08) | 2.5 (1.20) | 0.021 |
| Functional, mean (SD) | 2.7 (1.37) | 2.3 (0.94) | 0.024 |
| Mental, mean (SD) | 2.4 (1.35) | 1.7 (1.26) | 0.003 |
| COPD severity | |||
| Moderate, n (%) | 22 (31.4) | 24 (35.8) | |
| Severe/very severe, n (%) | 48 (68.6) | 43 (64.2) | |
| Exacerbations (past 12 mo)b | |||
| Mean (SD) | 0.8 (1.63) | 0.7 (1.02) | |
| ≥1 Comorbidity, n (%) | 70 (100) | 67 (100) | |
| ≥1 Comedication, n (%) | 70 (100) | 67 (100) |
Notes: aBaseline CCQ scores were missing for four patients in the intervention group. bExacerbation history was missing for one patient in the control group.
Abbreviations: CCQ, Clinical COPD Questionnaire; COPD, chronic obstructive pulmonary disease; SD, standard deviation.