| Subgroups | Hazard ratio for death at the end of follow-up, mean 2.4 years | OR for death or institutional living after 3 months | OR for death or dependency after 3 months |
| HR (95% CI) | OR (95% CI) | OR (95% CI) | |
| Age | |||
| 18–64 years | 0.53 (0.49 to 0.58) | 0.60 (0.54 to 0.68) | 0.84 (0.75 to 0.93) |
| 65–74 years | 0.78 (0.73 to 0.82) | 0.79 (0.73 to 0.87) | 0.99 (0.91 to 1.08) |
| 75–84 years | 0.81 (0.79 to 0.84) | 0.91 (0.86 to 0.96) | 0.98 (0.92 to 1.03) |
| ⩾85 years | 0.86 (0.83 to 0.89) | 0.90 (0.84 to 0.97) | 0.83 (0.76 to 0.91) |
| Sex | |||
| Male | 0.79 (0.76 to 0.81) | 0.82 (0.78 to 0.86) | 0.91 (0.86 to 0.96) |
| Female | 0.83 (0.81 to 0.85) | 0.88 (0.83 to 0.92) | 0.95 (0.90 to 1.00) |
| Stroke subtype | |||
| Haemorrhagic | 0.61 (0.58 to 0.65) | 0.56 (0.50 to 0.61) | 0.59 (0.53 to 0.67) |
| Ischaemic | 0.87 (0.85 to 0.89) | 0.92 (0.88 to 0.95) | 0.98 (0.94 to 1.03) |
| Unspecified | 0.92 (0.85 to 0.99) | 0.94 (0.81 to 1.09) | 0.96 (0.82 to 1.12) |
| Level of consciousness | |||
| Conscious | 0.88 (0.85 to 0.90) | 0.91 (0.88 to 0.95) | 0.97 (0.93 to 1.01) |
| Reduced consciousness | 0.78 (0.74 to 0.82) | 0.84 (0.77 to 0.92) | 0.86 (0.75 to 0.98) |
| Unconscious | 0.70 (0.66 to 0.75) | 0.47 (0.39 to 0.57) | 0.47 (0.36 to 0.62) |
Adjusted hazard ratios (HR) and odds ratios (OR) are presented for each level within the four subgroups.