Risk factors associated with death in the Cox regression among the first-ever stroke survivors
| Factors | HR | 95% CI | P value |
| Age | 1.08 | 1.06 to 1.10 | 0.000 |
| Insomnia | 1.66 | 1.10 to 2.48 | 0.01 |
| Sex | 1.20 | 0.73 to 1.88 | 0.45 |
| Smoking | 0.97 | 0.63 to 1.51 | 0.90 |
| Marital status | 1.37 | 0.59 to 3.15 | 0.45 |
| Living arrangement | 0.63 | 0.21 to 1.90 | 0.42 |
| Depression | 0.89 | 0.59 to 1.35 | 0.58 |
| Illiteracy | 1.78 | 0.97 to 3.72 | 0.45 |
| Primary education | 0.83 | 0.51 to 1.36 | 0.62 |
| Hypertension | 1.62 | 1.04 to 2.53 | 0.04 |
| Hyperlipidaemia | 0.71 | 0.42 to 1.21 | 0.21 |
| Diabetes mellitus | 1.27 | 0.82 to 1.98 | 0.29 |
| Diagnoses | 0.94 | 0.55 to 1.61 | 0.82 |
| Stroke recurrence at 1-year follow-up | 2.53 | 1.48 to 4.31 | 0.001 |
| NHISS score | 1.03 | 0.98 to 1.08 | 0.21 |
Smoking status, with or without a history of smoking. Diagnoses include ischaemic stroke and haemorrhagic stroke.
NIHSS, the first National Institutes of Health Stroke Scale.