Table 2. Annual incidence of falls.
| Control (39) | AD (38) | VAD (32) | DLB (30) | PDD (40) | |
| Incidence: number of falls/1000 person years | 1023 | 2486 | 3135 | 9087 | 19 000 |
| Incidence density ratio (95% CI) c.f. control group | 1 | 1.95 (1.01–3.78) | 1.77 (1.17–2.69) | 6.06 (3.53–10.4) | 20.5 (10.4–40.2) |
| Incidence density ratio (95% CI) c.f. AD group | 1 | 0.907 (0.504–1.63) | 3.10 (1.16–8.28) | 10.5 (3.32–33.1) | |
| Incidence density ratio (95% CI) c.f. VAD group | 1 | 3.41 (1.96–5.95) | 11.6 (5.73–23.3 | ||
| Incidence density ratio (95% CI) c.f. DLB group | 1 | 3.38 (2.66–4.31) | |||
| Fractures: number of fractures recorded during study | 0 | 1 | 1 | 2 | 3 |