Characteristics of poststroke study population
| N (%) | N (%) | ||
| Total | 45 474 (100) | 45 474 (100) | |
| Total person-years from study start date to end of follow-up (1000s) | 148.371 | Alcohol status | |
| Age at first incident stroke (years) | Non-drinker | 4914 (10.8) | |
| 40 to 59 | 7527 (16.6) | Current-drinker | 29 044 (63.9) |
| 60 to 74 | 14 578 (32.1) | Ex-drinker | 6447 (14.2) |
| 75 to 84 | 14 026 (30.8) | Missing | 5069 (11.1) |
| Over 85 | 9343 (20.5) | BMI category WHO defined | |
| Sex | Underweight | 1235 (2.7) | |
| Male | 23 196 (51) | Normal Weight | 13 782 (30.3) |
| Female | 22 278 (49.0) | Overweight | 15 146 (33.3) |
| Ethnicity | Obese | 10 318 (22.7) | |
| Black | 543 (1.2) | Missing | 4993 (11.0) |
| Mixed/Other | 520 (1.1) | Current smoker | |
| South Asian | 885 (1.9) | No | 35 461 (78.0) |
| White | 43 526 (95.7) | Yes | 8781 (19.3) |
| Dementia diagnosed in study period, excluding first 3 months | Missing | 1232 (2.7) | |
| No | 40 850 (89.8) | Myocardial Infarction prior to stroke | |
| Yes | 4624 (10.2) | No | 41 887 (92.1) |
| Index of Multiple Deprivation (1 is least deprived) | Yes | 3587 (7.9) | |
| 1 | 7273 (16.0) | Atrial fibrillation prior to stroke | |
| 2 | 8407 (18.5) | No | 39 449 (86.8) |
| 3 | 9776 (21.5) | Yes | 6025 (13.2) |
| 4 | 9125 (20.1) | Uncontrolled diabetes prior to stroke | |
| 5 | 10 893 (24.0) | No | 42 857 (94.2) |
| Statin prescription 2 years prior to stroke | Yes | 2617 (5.8) | |
| No | 29 599 (65.1) | Consultations per year in 3 years prior to stroke | |
| Yes | 15 875 (34.9) | <10 per year | 25 399 (55.9) |
| Uncontrolled HT (Sys≥140 and Dias≥90 mm Hg)—2 years prior to stroke | 10–20 per year | 12 962 (28.5) | |
| No | 40 710 (89.5) | 20–30 per year | 4496 (9.9) |
| Yes | 4764 (10.5) | 30–50 per year | 2220 (4.9) |
| Immunosuppressive prescription 2 years prior to stroke | >50 per year | 397 (0.9) | |
| No | 40 375 (88.8) | Patient has HES linkage | |
| Yes | 5099 (11.2) | No | 7089 (15.6) |
| Antiplatelets within 90 days of stroke onset | Yes | 38 385 (84.4) | |
| No | 18 308 (40.3) | ||
| Yes | 27 166 (59.7) |
BMI, body mass index.