Table 1.
Mortality rates grouped by severity of neurological impairments and individual domain of impairment
| Deaths (n=11) | Person-years of observation | Mortality rate per 100 000 person-years of observation (95% CI) | p value | |
|---|---|---|---|---|
| Severity level | .. | .. | .. | 0·291 |
| Severe | 2 (18%) | 414·8 | 482·1 (0–1150·3) | .. |
| Moderate | 3 (27%) | 637·1 | 470·9 (0–1003·7) | .. |
| Mild | 6 (55%) | 2498·6 | 240·1 (48·0–432·3) | .. |
| Domain* | .. | .. | .. | 0·205 |
| Motor impairments | 3 (27%) | 571·7 | 524·8 (0–1118·6) | .. |
| Cognitive impairment | 9 (82%) | 1803·9 | 498·9 (173·0–824·9) | .. |
| Epilepsy | 3 (27%) | 1189·0 | 252·3 (0–537·8) | .. |
| Hearing impairment | 2 (18%) | 860·1 | 232·5 (0–554·8) | .. |
| Visual impairment | 0 | 201·9 | 0 | NA |
*
Domains of neurological impairment were not mutually exclusive and some individuals who died had more than one impairment. p value is for comparison of four domains.