TABLE 3.
Exacerbations, infection and functional status and relationships with mortality, hospitalisation and exacerbations
| Patients | Mortality | Hospitalisation | Exacerbations | |
| Baseline exacerbation frequency per year | ||||
| 0 | 394 (38.7) | 9 (2.3) | 57 (14.5) | 0.50±1.0 |
| 1–2 | 437 (42.9) | 26 (5.9) | 120 (27.5) | 1.23±1.5 |
| ≥3 | 187 (18.4) | 16 (8.6) | 82 (43.9) | 2.2±2.5 |
| Prior severe exacerbations | 373 (36.6) | 37 (9.9) | 147 (39.4) | 1.56±2.0 |
| Bacteriology | ||||
| Pseudomonas aeruginosa | 117 (11.5) | 8 (6.8) | 43 (36.8) | 1.62±2.2 |
| Moraxella catarrhalis | 17 (1.7) | 0 (0) | 3 (17.6) | 0.60±1.1 |
| Streptococcus pneumoniae | 8 (0.8) | 1 (12.5) | 2 (25.0) | 1.38±1.1 |
| Staphylococcus aureus | 18 (1.8) | 1 (5.6) | 6 (33.3) | 1.50±1.0 |
| Enterobacterales | 94 (9.2) | 12 (12.8) | 33 (35.1) | 1.51±1.7 |
| MRC dyspnoea score | ||||
| 1 | 194 (19.1) | 0 (0) | 14 (7.2) | 0.40±0.9 |
| 2 | 337 (33.1) | 7 (2.1) | 68 (20.2) | 0.99±1.5 |
| 3 | 241 (23.7) | 18 (7.5) | 88 (36.5) | 1.52±2.1 |
| 4 | 179 (17.6) | 22 (12.3) | 69 (38.5) | 1.63±2.1 |
| 5 | 67 (6.6) | 4 (6.0) | 20 (29.9) | 1.00±1.7 |
Data are presented as n (%) or mean±sd. MRC: Medical Research Council.