Table 1. Summary of patient characteristics (demography, cardiovascular risk factors, primary preventive medication, and stroke characteristics) categorized by mRS.
Reported descriptive statistics including mean, standard deviation (SD), median, quartiles (Q1, Q3), and frequencies (number of patients) (%). The last column shows the proportion of missing cases in each of the variables (features).
| Outcomes 3 months after stroke | Missing (%) | ||||
|---|---|---|---|---|---|
| All patients | mRS 0–2 | mRS 3–5 | mRS 6 | ||
| Number of patients (%) | 102,135 (100) | 43,361 (42.5) | 36,687 (35.9) | 22,087 (21.6) | |
| Age (mean [SD]) | 75.8 [12.0] | 70.4 [11.6] | 78.7 [10.8] | 81.8 [10.3] | - |
| Male (%) | 54,473 (53.3) | 26,797 (61.8) | 17,328 (47.2) | 10,348 (46.9) | - |
| Atrial Fibrillation (%) | 30,195 (29.6) | 8,315 (19.2) | 12,234 (33.3) | 9,646 (43.7) | 152 (0.2) |
| Diabetes (%) | 22,355 (21.9) | 7,759 (17.9) | 9,358 (25.5) | 5,238 (23.7) | 214 (0.2) |
| Previous Stroke or TIA (%) | 27,787 (27.2) | 8,505 (19.6) | 12,013 (32.7) | 7,269 (32.9) | 186 (0.2) |
| Smoking (%) | 11,394 (11.2) | 5,852 (13.5) | 4,020 (11.0) | 1,522 (6.9) | 14,252 (14.0) |
| Blood pressure (BP) lowering medication (%) | 65,004 (63.6) | 24,938 (57.5) | 25,076 (68.4) | 14,990 (67.9) | 395 (0.4) |
| Lipid-lowering drugs (%) | 32,616 (31.9) | 13,473 (31.1) | 12,638 (34.4) | 6,505 (29.5) | 441 (0.4) |
| Prior anticoagulation (%) | 15,824 (15.5) | 4,526 (10.4) | 6,423 (17.5) | 4,875 (22.1) | 318 (0.3) |
| Pre-stroke mRS (%) | 5,199 (5.1) | ||||
| 0–2 (Reference) | 69,795 (68.3) | 41,484 (95.7) | 19,977 (54.5) | 8,334 (37.7) | |
| 3 | 14,772 (14.4) | 1,416 (3.3) | 9,233 (25.2) | 4,123 (18.7) | |
| 4 | 9,352 (9.2) | 200 (0.5) | 4,857 (13.2) | 4,295 (19.4) | |
| 5 | 3,017 (3.0) | 2 (0.0) | 1,102 (3.0) | 1,913 (8.7) | |
| Inpatient at time of stroke (%) | 6,184 (6.1) | 1,426 (3.3) | 2,211 (6.0) | 2,547 (11.5) | 2 (0.0) |
| NIHSS at arrival (median [Q1-Q3]) | 3.0 [1.0–8.0] | 2.0 [0.0–4.0] | 4.0 [2.0–9.0] | 13.0 [6.0–20.0] | 43,474 (42.6%) |
| Type of stroke (%) | |||||
| Ischemic (Reference) | 87,594 (85.8) | 39,720 (91.6) | 31,905 (87.0) | 15,969 (72.3) | - |
| Hemorrhagic | 13,511 (13.2) | 3,282 (7.6) | 4,492 (12.2) | 5,737 (26.0) | - |
| Unspecified | 1,030 (1.0) | 359 (0.8) | 290 (0.8) | 381 (1.7) | - |
| Wake-up stroke (%) | 18,635 (18.2) | 8,683 (20.0) | 6,495 (17.7) | 3,457 (15.7) | 18,729 (18.3) |
| Stroke alert activation (%) | 35,277 (34.5) | 14,014 (32.3) | 12,883 (35.1) | 8,380 (37.9) | 1,319 (1.3) |
| Ambulance service to the hospital (%) | 70,786 (69.3) | 24,349 (56.2) | 28,180 (76.8) | 18,257 (82.7) | 8,469 (8.3) |
| Hour of Admission (%) | 4,021 (3.9) | ||||
| 00–04 (Reference) | 4,332 (4.2) | 1,723 (4.0) | 1,508 (4.1) | 1,101 (5.0) | |
| 04–08 | 5,852 (5.7) | 2,553 (5.9) | 1,891 (5.2) | 1,408 (6.4) | |
| 08–12 | 29,094 (28.5) | 12,591 (29.0) | 10,127 (27.6) | 6,376 (28.9) | |
| 12–16 | 27,870 (27.3) | 12,371 (28.5) | 10,317 (28.1) | 5,182 (23.5) | |
| 16–20 | 19,396 (19.0) | 8,204 (18.9) | 7,190 (19.6) | 4,002 (18.1) | |
| 20–24 | 11,570 (11.3) | 4,632 (10.7) | 4,219 (11.5) | 2,719 (12.3) | |
| Day of week of admission (%) | 44 (0.04) | ||||
| Sunday (Reference) | 13,214 (12.9) | 5,290 (12.2) | 4,951 (13.5) | 2,973 (13.5) | |
| Monday | 16,255 (15.9) | 7,126 (16.4) | 5,806 (15.8) | 3,323 (15.0) | |
| Tuesday | 15,377 (15.1) | 6,712 (15.5) | 5,435 (14.8) | 3,230 (14.6) | |
| Wednesday | 15,147 (14.8) | 6,511 (15.0) | 5,446 (14.8) | 3,190 (14.4) | |
| Thursday | 14,740 (14.4) | 6,348 (14.6) | 5,263 (14.3) | 3,129 (14.2) | |
| Friday | 14,446 (14.1) | 6,149 (14.2) | 5,105 (13.9) | 3,192 (14.5) | |
| Saturday | 12,912 (12.6) | 5,210 (12.0) | 4,652 (12.7) | 3,050 (13.8) | |