The annual number of hospitalisations of patients who had an ischaemic stroke
| Overall (mean±SD) | UEBMI (mean±SD) | URBMI (mean±SD） | P value | |
| Sex | ||||
| Male | 1.21±0.67 | 1.23±0.72 | 1.17±0.52 | <0.001 |
| Female | 1.16±0.53 | 1.18±0.59 | 1.14±0.46 | <0.001 |
| Age group | ||||
| 0–44 | 1.17±0.61 | 1.20±0.70 | 1.12±0.43 | 0.050 |
| 45–59 | 1.17±0.55 | 1.18±0.59 | 1.15±0.48 | 0.009 |
| ≥60 | 1.2±0.63 | 1.22±0.69 | 1.15±0.49 | <0.001 |
| ICD code | ||||
| I63 | 1.38±0.82 | 1.38±0.81 | 1.44±1.03 | 0.773 |
| I63.0 | 1.19±0.58 | 1.21±0.65 | 1.14±0.45 | <0.001 |
| I63.1 | 1.00±0.00 | 1.00±0.00 | 1.00±0.00 | — |
| I63.2 | 1.33±0.49 | 1.33±0.52 | 1.33±0.52 | 1.000 |
| I63.3 | 1.24±0.60 | 1.29±0.69 | 1.13±0.35 | 0.521 |
| I63.4 | 1.23±0.67 | 1.81±0.50 | 1.33±1.00 | 0.580 |
| I63.5 | 1.30±0.78 | 1.20±0.70 | 1.41±0.87 | 0.416 |
| I63.8 | 1.24±0.87 | 1.37±1.05 | 1.00±0.00 | 0.037 |
| I63.9 | 1.19±0.62 | 1.21±0.68 | 1.15±0.49 | <0.001 |
| Hospital level | ||||
| Primary | 1.22±0.67 | 1.29±0.84 | 1.18±0.53 | <0.001 |
| Secondary | 1.17±0.57 | 1.20±0.63 | 1.14±0.45 | <0.001 |
| Tertiary | 1.2±0.64 | 1.21±0.67 | 1.15±0.52 | <0.001 |
| Region | ||||
| East | 1.25±0.77 | 1.28±0.86 | 1.19±0.57 | <0.001 |
| Central | 1.19±0.55 | 1.19±0.56 | 1.18±0.51 | 0.177 |
| West | 1.07±0.37 | 1.11±0.45 | 1.03±0.20 | <0.001 |
P values are based on Mann-Whitney test; I63, I63.0–5 (cerebral infarction due to thrombosis of precerebral arteries, embolism of precerebral arteries, unspecified occlusion or stenosis of precerebral arteries), I63.8 and I63.9 (other and unspecified cerebral infarction).