Crude admission rates, Poisson regression modelling of admissions, mortality and median ICU length of stay in people with Bronchiectasis and Chronic Obstructive Pulmonary Disease (COPD)
| Bronchiectasis | Number of admissions | Person years | Crude admission rate per 100,000 person years (95% CI) | Crude admissions rate ratio (95% CI) | Number of ICU deaths (%) | Median length of stay on ICU# (IQR) |
| Year | ||||||
| 2009 | 74 | 97,457 | 75.9 (60.5–95.4) | 1.00 | 20 (27.0) | 3.0 (1.0–5.0) |
| 2010 | 78 | 114,207 | 68.3 (54.7–85.3) | 0.90 (0.65–1.24) | 18 (23.1) | 3.5 (1.4–6.4) |
| 2011 | 108 | 128,659 | 83.9 (69.5–101.4) | 1.11 (0.82–1.49) | 22 (20.4) | 2.1 (1.0–5.1) |
| 2012 | 155 | 137,062 | 113.1 (96.6–132.7) | 1.49 (1.13–1.96) | 31 (20.0) | 3.8 (1.1–7.3) |
| 2013 | 121 | 136,877 | 88.4 (74.0–105.6) | 1.16 (0.87–1.55) *p for trend = 0.022 | 35 (28.9) | 2.9 (1.4–7.1) |
| COPD | ||||||
| Year | ||||||
| 2009 | 3126 | 97,457 | 3204.6 (3094.2–3318.9) | 1.00 | 642 (20.5) | 3.2 (1.4–7.9) |
| 2010 | 3675 | 114,207 | 3217.8 (3115.5–3223.6) | 1.01 (0.96–1.05) | 717 (19.5) | 3.0 (1.4–6.7) |
| 2011 | 3924 | 128,659 | 3049.9 (2956.0–3146.9) | 0.95 (0.91–1.00) | 718 (18.3) | 2.9 (1.3–6.3) |
| 2012 | 4377 | 137,062 | 3193.4 (3100.2–3289.5) | 0.99 (0.95–1.04) | 818 (18.7) | 3.0 (1.4–6.4) |
| 2013 | 4652 | 136,877 | 3398.7 (3302.4–3497.8) | 1.06 (1.01–1.11) *p for trend = 0.0003 | 837 (18.0) | 3.1 (1.5–6.6) |
↵*p value for likelihood ratio test. #length of stay in days.