Demographics and outcomes for people discharged from hospital following acute exacerbation of COPD whose admissions did conform to the COPD Best Practice Tariff (BPT) (receipt of a respiratory specialist review within 24 hours of admission and a discharge bundle) and those whose admissions did not conform to the COPD BPT, N=28 345
| Admission conformed to COPD BPT | Admission did not conform to COPD BPT | |
| N=10 530 | N=17 815 | |
| n (%) | n (%) | |
| Age (years) | ||
| Mean (SD) | 71.5 (10.3) | 72.5 (11.0) |
| Gender | ||
| Male | 4895 (46.5%) | 8343 (46.8%) |
| Female | 5635 (53.5%) | 9472 (53.2%) |
| Quintile of IMD/WIMD | ||
| 1 (most deprived) | 3485 (33.1%) | 5768 (32.4%) |
| 2 | 2509 (23.8%) | 4254 (23.9%) |
| 3 | 1894 (18.0%) | 3337 (18.7%) |
| 4 | 1492 (14.2%) | 2510 (14.1%) |
| 5 (least deprived) | 1058 (10.1%) | 1778 (10.0%) |
| No data | 92 (0.9%) | 168 (0.9%) |
| Oxygen prescription | ||
| Not needed | 1773 (16.8%) | 3579 (20.1%) |
| Not prescribed | 2341 (22.2%) | 5098 (28.6%) |
| Prescribed | 6416 (60.9%) | 9138 (51.3%) |
| NIV administered | 1201 (11.4%) | 1354 (7.6%) |
| Length of stay quintile | ||
| 0–1 day | 2581 (24.5%) | 4875 (27.4%) |
| 2–3 days | 2581 (24.5%) | 4290 (24.1%) |
| 4–5 days | 1770 (16.8%) | 2878 (16.2%) |
| 6–8 days | 1685 (16.0%) | 2471 (13.9%) |
| 9+ days | 1913 (18.2%) | 3301 (18.5%) |
| Smoking status | ||
| Never smoked | 256 (2.4%) | 732 (4.1%) |
| Ex-smoker | 6236 (59.2%) | 9559 (53.7%) |
| Current smoker | 3586 (34.1%) | 5335 (30.0%) |
| Not recorded | 452 (4.3%) | 2189 (12.3%) |
| Charlson comorbidity index | ||
| 1 | 5330 (50.6%) | 8305 (46.6%) |
| 2 | 2598 (24.7%) | 4510 (25.3%) |
| 3 | 1383 (13.1%) | 2457 (13.8%) |
| 4 | 662 (6.3%) | 1267 (7.1%) |
| 5 | 313 (3.0%) | 670 (3.8%) |
| 6 | 107 (1.0%) | 273 (1.5%) |
| 7+ | 137 (1.3%) | 333 (1.9%) |
| Mental health diagnoses | ||
| No mental illness | 8309 (78.9%) | 14 347 (80.5%) |
| Mild/moderate mental illness | 1547 (14.7%) | 2366 (13.3%) |
| Severe mental illness | 674 (6.4%) | 1102 (6.2%) |
| DECAF score | ||
| Low risk (0–1) | 1650 (15.7%) | 568 (3.2%) |
| Intermediate risk (2) | 677 (6.4%) | 330 (1.9%) |
| High risk (3–6) | 468 (4.4%) | 237 (1.3%) |
| No data | 7735 (73.5%) | 16 680 (93.6%) |
| Spirometry: FEV1/FVC ratio | ||
| ≥0.7 | 507 (4.8%) | 866 (4.9%) |
| <0.7 | 4253 (40.4%) | 4884 (27.4%) |
| Invalid (<0.2 or >1.0) | 83 (0.8%) | 115 (0.7%) |
| No data | 5687 (54.0%) | 11 950 (67.1%) |
| Outcomes | ||
| Patient died within 30 days of admission | 285 (2.7%) | 461 (2.6%) |
| Patient readmitted within 30 days of discharge | 2659 (25.3%) | 4577 (25.7%) |
BPT, best practice tariff; COPD, chronic obstructive pulmonary disease; DECAF, Dyspnoea, Eosinopenia, Consolidation, Acidaemia and atrial Fibrillation; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; IMD, English Index of Multiple Deprivation; NIV, non-invasive ventilation; WIMD, Welsh Index of Multiple Deprivation.