Table 3.
Mortality according to age group
| 18–54 yearsa | 55–64 years | 65–74 years | ≥75 years | |
|---|---|---|---|---|
| Total | 153 (25 %) | 133 (21 %) | 171 (28 %) | 162 (26 %) |
| Mortality | 33/153 (22 %) | 43/133 (32 %) | 80/171 (47 %) | 84/162 (52 %) |
| Unadjusted | 1 | 1.50 (1.02–2.21) | 2.17 (1.54–3.05) | 2.40 (1.72–3.37) |
| Adjusted | ||||
| Male sex | 1 | 1.48 (1.002–2.19) | 2.16 (1.53–3.04) | 2.43 (1.73–3.40) |
| Location of occlusion | 1 | 1.47 (0.998–2.16) | 2.22 (1.58–3.11) | 2.55 (1.83–3.56) |
| NIHSS | 1 | 1.46 (1.008–2.12) | 2.13 (1.55–2.94) | 2.16 (1.57–2.98) |
| Time to treatment (h) | 1 | 1.56 (1.04–2.35) | 2.28 (1.59–3.27) | 2.41 (1.68–3.46) |
| Type of treatment | 1 | 1.55 (1.03–2.34) | 2.24 (1.56–3.21) | 2.42 (1.68–3.47) |
| 3 factorsb | 1 | 1.47 (1.02–2.12) | 2.22 (1.61–3.05) | 2.31 (1.68–3.17) |
| 5 factorsc | 1 | 1.56 (1.05–2.31) | 2.41 (1.71–3.39) | 2.47 (1.75–3.51) |
aReference group. Data are number (%) or risk ratio (95 % CI)
bAdjustment for national institutes of health stroke scale (NIHSS) score, sex and location of occlusion
cAdjustment for NIHSS score, sex, location of occlusion, time to treatment, and type of treatment