Table 2.
Classification of cause of death according to demographic and clinical details of subjects
| No (%) in each classification
|
|||
|---|---|---|---|
| CJD excluded (n=640) | Insufficient information (n=61) | Referred to surveillance unit* (n=4) | |
| Sex: | |||
| Female | 357 (55.8) | 30 (49.2) | 2 |
| Male | 283 (44.2) | 31 (50.8) | 2 |
| Age group (years): | |||
| 15-19 | 90 (14.1) | 3 (4.9) | |
| 20-24 | 87 (13.6) | 5 (8.2) | |
| 25-29 | 105 (16.4) | 8 (13.1) | |
| 30-34 | 103 (16.1) | 9 (14.8) | 2 |
| 35-39 | 111 (17.3) | 11 (18.0) | |
| 40-44 | 144 (22.5) | 25 (41.0) | 2 |
| Disease group: | |||
| Cerebral degenerations usually manifest in childhood | 56 (8.8) | 2 (3.3) | |
| Encephalitis, myelitis, and encephalomyelitis | 117 (18.3) | 23 (37.7) | |
| Other cerebral degenerations | 107 (16.7) | 18 (29.5) | 3 |
| Other extrapyramidal disease and abnormal movement disorder | 156 (24.4) | 4 (6.6) | |
| Other non-organic psychoses | 4 (0.6) | 3 (4.9) | 1 |
| Senile and presenile organic psychotic conditions | 12 (1.9) | 3 (4.9) | |
| Slow virus infection of central nervous system | 79 (12.3) | 3 (4.9) | |
| Spinocerebellar disease | 109 (17.0) | 5 (8.2) | |
| Period of death: | |||
| 1979-84 | 68 (10.6) | 8 (13.1) | 1 |
| 1985-9 | 109 (17.0) | 14 (23.0) | |
| 1990-6 | 463 (72.3) | 39 (63.9) | 3 |
CJD=Creutzfeldt-Jakob disease. *Referred to CJD Surveillance Unit for further assessment.