| Lithium non user | Lithium user | Total |
No Dementia | 26 (43.33%)* | 25 (41.66%)* | 51 (85%) |
Dementia | 7 (11.66%)* | 2 (3.33%)* | 9 (15%) |
Total | 33 (55%) | 27 (45%) | 60 (100%) |