Table 3.
Trend analysis
| MV in cases with dementia | MV in cases without dementia | Parallelism test | |||||
|---|---|---|---|---|---|---|---|
| 2000 | 2013 | AAPC (95% CI) | 2000 | 2013 | AAPC (95% CI) | ||
| Proportion (%) | 1.51 | 2.64 | 3.8 (3.0, 4.5)† | 98.5 | 97.4 | − 0.1 (− 0.1, − 0.1)† | P < 0.001 |
| Hospital discharge rate (per 10,000) | 1.76 | 3.57 | 4.71 (3.6, 5.8)† | 114 | 131 | 0.91 (0.4, 1.4)† | P = 0.005 |
| Population rate (per 100,000) | 3.1 | 6.9 | 5.39 (4.0, 6.7)† | 203.6 | 253.3 | 1.62 (0.9, 2.4)† | P = 0.030 |
| MV ≥ 96 h (%) | 24.6 | 28.4 | − 0.8 (− 2.3, 0.7) | 31.2 | 34.9 | 0.99 (0.7, 1.3)† | P = 0.031 |
| CFR (%) | 55.9 | 50.2 | − 0.30 (− 1.1, 0.5) | 51.9 | 44.5 | − 1.19 (− 1.3, − 1.0)† | P = 0.10 |
MV invasive mechanical ventilation, AAPC average annual percentage change, 95%CI 95% confidence interval, CFR: case fatality rate
†Statistically significant