Baseline participant characteristics
| Characteristics | PIC group | UC group | p-value |
| Subjects n | 20 | 20 | |
| Age yrs | 66.6±9.1 | 65.0±8.2 | 0.52 |
| Females % | 55 | 50 | 0.75 |
| Ethnicity | 0.60 | ||
| White | 17 | 19 | |
| Black | 2 | 1 | |
| Native American | 1 | 0 | |
| FEV1 % pred | 33.6±9.1 | 31.1±10.2 | 0.39 |
| Long-term oxygen therapy % | 95 | 95 | 1.00 |
| Resting oxygen saturation % | 92.5±2.6 | 93.2±2.5 | 0.35 |
| Current smoker % | 15 | 20 | 0.68 |
| Smoking history pack-yrs | 55.0±34.9 | 50.4±23.6 | 0.92 |
| Emergency dept visits# | 0.7±0.23 | 0.9±0.23 | 0.79 |
| Hospitalisations# | 0.55±0.21 | 0.6±0.21 | 0.97 |
| Hospital LOS# days | 3.2±7.0 | 2.8±5.6 | 0.82 |
| Influenza vaccination % | 100 | 85 | 0.23 |
| Current pulmonary rehabilitation % | 30 | 20 | 0.72 |
| Prior pulmonary rehabilitation % | 35 | 40 | 0.74 |
| Lives alone % | 15 | 30 | 0.45 |
Data are presented as mean±sd, unless otherwise stated. PIC: proactive integrated care; UC: usual care; FEV1: forced expiratory volume in one second; % pred: % predicted; LOS: length of stay. #: in previous year.