Table 3.
Patient Demographics and Clinical Characteristics by Inclusion in the Analyses for Each Stroke Subtype
| IS (n=32 671) | SAH (n=4934) | ICH (n=15 699) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Excluded | Included | P Value* | Excluded | Included | P Value* | Excluded | Included | P Value* | |
| Number, % | 11 913 (36.5) | 20 758 (63.5) | 1035 (21.0) | 3899 (79.0) | 4588 (29.2) | 11 111 (70.8) | |||
| Male, % | 59.8 | 56.3 | <0.001 | 29.1 | 32.9 | 0.019 | 60.4 | 56.3 | <0.001 |
| Age mean (SD) | 75.1 (11.4) | 74.1 (12.5) | <0.001 | 67.9 (14.1) | 63.8 (14.8) | <0.001 | 72.5 (12.6) | 70.0 (13.8) | <0.001 |
| Comorbidity, % | |||||||||
| Hypertension | 69.8 | 68.5 | 0.013 | 82.4 | 86.6 | 0.001 | 78.3 | 87.2 | <0.001 |
| Diabetes mellitus | 31.3 | 27 | <0.001 | 25.6 | 23.3 | 0.124 | 23.6 | 19.8 | <0.001 |
| Hyperlipidemia | 34.2 | 33.9 | 0.511 | 26.5 | 29.2 | 0.086 | 17.2 | 15.7 | 0.015 |
| Current/past smoking history (n=44 842) (%) | 27.6 | 30.1 | <0.001 | 22.5 | 28.2 | 0.001 | 25.1 | 28.2 | <0.001 |
| Japan Coma Scale, % | |||||||||
| 0 | 48.8 | 44.4 | <0.001 | 23.4 | 20.1 | <0.001 | 28.6 | 20.8 | <0.001 |
| 1‐digit code | 35.7 | 39.2 | 19.3 | 23.5 | 36.2 | 38.5 | |||
| 2‐digit code | 9.9 | 10.7 | 14.7 | 18 | 15.2 | 18.1 | |||
| 3‐digit code | 5.7 | 5.7 | 42.6 | 38.5 | 20 | 22.7 | |||
| Emergency admission by ambulance (%) | 46.3 | 57 | <0.001 | 73.8 | 78.6 | 0.001 | 59.7 | 73.5 | <0.001 |
| mRS at discharge (n=51 719) (%) | |||||||||
| mRS=6 | 7.8 | 7.2 | 0.099 | 29.1 | 26.8 | 0.165 | 17 | 16.3 | 0.284 |
| mRS=5/6 | 19.1 | 19.5 | 0.413 | 46.4 | 37.8 | <0.001 | 32.1 | 32.3 | 0.812 |
| mRS=4 to 6 | 36.4 | 37.5 | 0.061 | 56.8 | 47.8 | <0.001 | 50.8 | 55 | <0.001 |
ICH indicates intracerebral hemorrhage; IS, ischemic stroke; mRS, modified Rankin Scale; SAH, subarachnoid hemorrhage.
*
Off‐hour and nighttime were compared with working‐hours.