Table 2.
Individual participant data on the participants who died during the 18-month observation period
| Variable | Participant 1 | Participant 2 | Participant 3 | Participant 4 | Participant 5 |
|---|---|---|---|---|---|
| Sex | Female | Male | Female | Female | Male |
| Age, years | 73 | 71 | 64 | 84 | 76 |
| Height, cm | 159 | 167 | 173 | 156 | 164 |
| Body mass, kg | 59 | 75.6 | 49.0 | 45.1 | 46.3 |
| BMI, kg/m2 | 23.3 | 27.1 | 16.4 | 18.5 | 17.2 |
| Smoking status | Former | Former | Former | Former | Current |
| Cigarette package years | 37 | 100 | 49 | 25 | 60 |
| FEV1 | 0.51 | 1.20 | 0.64 | 0.64 | 1.00 |
| FEV1 % predicted | 25.7 | 44.5 | 25.1 | 37.3 | 40.4 |
| Oxygen saturation at rest | 92 | 93 | 96 | n/a | 96 |
| Oxygen supplement | No | Yes | No | No | No |
| CAT, 0–40 | 12 | 17 | 19 | 23 | 24 |
| Number of previous | 1 | 5 | 0 | 10 | 0 |
| exacerbations | |||||
| MRC score, 1–5 | 5 | 5 | 5 | 5 | 3 |
| COPD stage (GOLD classification, 1–4) | 4 | 3 | 4 | 3 | 3 |
| Comorbid cardiovascular disease | No | Yes, valve stenosis | No | Ischemic heart disease | Hypertension |
| Comorbid diabetes | No | Yes | No | No | No |
| Time to death from rehab stop, days | 1 | 26 | 90 | 115 | 461 |
| Cause of death | COPD exacerbation. Respiratory acidosis | COPD exacerbation. Respiratory arrest with cardiac arrest | COPD exacerbation. Respiratory acidosis | COPD exacerbation | Ruptured abdominal aortic aneurysm |
| Number of hospitalizations from rehabilitation end +18 months | 0 | 0 | 0 | 9 | 2 |
Abbreviations: BMI, body mass index; CAT, COPD assessment test; COPD, chronic obstructive pulmonary disease; FEV1, forced expiratory volume in 1 second; GOLD, Global Initiative for Chronic Obstructive Lung Disease; MRC, Medical Research Council; n/a, not/available.