Incidence and risk of dementia associated with acupuncture treatment and physical rehabilitation in patients with stroke
| Acupuncture | Rehabilitation | n | Cases | Incidence* | HR | (95% CI)† |
| No | No | 1816 | 327 | 35.9 | 1.00 | (reference) |
| No | Yes | 3794 | 698 | 34.1 | 0.90 | (0.79 to 1.03) |
| Yes | No | 1816 | 244 | 29.8 | 0.76 | (0.64 to 0.90) |
| Yes | Yes | 3794 | 476 | 25.0 | 0.64 | (0.56 to 0.74) |
*Per 1000 person-years.
†Adjusted for all covariates listed in table 1.