Table 1 Characteristics of patients stratified by age
From: Stroke risk factors, subtypes and outcome in elderly Thai patients
Characteristic | Patients aged 45–74 years | Patients aged ≥ 75 years | Total | p-value |
|---|---|---|---|---|
n = 356 | n = 186 | n = 542 | ||
Male: n (%) | 144 (40.4%) | 99 (53.2%) | 243 (44.8%) | 0.005 |
TIA: n (%) | 34 (63%) | 20 (37%) | 54 (9.96%) | 0.657 |
Risk factors: n (%) | ||||
History of diabetes mellitus | 124 (34.8%) | 76 (40.9%) | 200 (36.9%) | 0.167 |
History of hypertension | 248 (69.7%) | 150 (80.6%) | 398 (73.4%) | 0.006 |
History of dyslipidemia | 203 (57.0%) | 113 (60.8%) | 316 (58.3%) | 0.403 |
Atrial fibrillation | 51 (14.3%) | 72 (38.7%) | 123 (22.7%) | < 0.001 |
Smoking | 27 (7.6%) | 5 (2.7%) | 32 (5.9%) | 0.022 |
Previous stroke | 63 (17.7%) | 50 (26.9%) | 113 (20.8%) | 0.012 |
Previous TIA | 11 (3.1%) | 3 (1.6%) | 14 (2.6%) | 0.301 |
Previous MI | 31 (8.7%) | 23 (12.4%) | 54 (10.0%) | 0.177 |
NIHSS on admission (mean ± SD) | 6.36 ± 0.33 | 7.20 ± 0.57 | 6.65 ± 0.29 | 0.745 |
Stroke subtype: n (%) | ||||
Large artery atherosclerosis | 100 (28.1%) | 30 (16.1%) | 130 (24.0%) | 0.005 |
Cardioembolism | 75 (21.1%) | 81 (43.5%) | 156 (28.8%) | < 0.001 |
Small vessel occlusion | 108 (30.3%) | 41 (22.0%) | 149 (27.5%) | 0.085 |
Other determined | 7 (2.0%) | 1 (0.5%) | 8 (1.5%) | 0.498 |
Undetermined | 66 (18.5%) | 33 (17.5%) | 99 (18.3%) | 0.859 |