Table 2.
Estimates of prevalence of mental incapacity by diagnosis* and legal status
| Sample | No | Prevalence (%) of incapacity (95% CI) |
|---|---|---|
| All patients | 338 | 60 (55 to 65) |
| Psychotic illness | 175 | 75 (68 to 81) |
| Schizophrenia | 80 | 81 (71 to 89) |
| Bipolar affective disorder—mania | 36 | 97 (86 to 100) |
| Bipolar affective disorder—depression | 8 | 25 (3 to 65) |
| Depression | 67 | 31 (20 to 44) |
| Personality disorder | 24 | 4 (0 to 21) |
| Informal admission | 188 | 39 (32 to 46) |
| Detained | 150 | 86 (79 to 91) |
*International classification of diseases, 10th revision.