Baseline characteristics of the TGA cases versus age-matched and sex-matched extraction group and absolute standardised differences after propensity score matching
Clinical values | TGA case (n=10 461) | Age-matched and sex-matched extraction group (n=140 486) | Absolute standardised difference | |
Before PS matching | After 1:2 PS matching (TGA, n=10 448) (control, n=20 442) | |||
Age (years) | 60.5±12.6 | 60.7±12.4 | 0.018 | 0.032 |
Female sex | 7067 (67.6) | 93 117 (66.3) | 0.027 | 0.013 |
Stroke risk factors | ||||
Hypertension | 5161 (49.3) | 53 017 (37.7) | 0.236* | 0.018 |
DM | 3772 (36.1) | 29 933 (21.3) | 0.331* | 0.025 |
Hyperlipidaemia | 5815 (55.6) | 32 462 (23.1) | 0.705* | 0.014 |
Cardiac disease | ||||
A-Fib | 263 (2.5) | 1727 (1.2) | 0.095 | 0.009 |
MI | 262 (2.5) | 1536 (1.1) | 0.106* | 0.016 |
Depressive d/o | 396 (3.8) | 1655 (1.2) | 0.168* | 0.051 |
Anxiety d/o | 3858 (36.9) | 18 217 (13.0) | 0.575* | 0.045 |
Seizure/epilepsy | 73 (0.7) | 528 (0.4) | 0.044 | 0.005 |
Migraine | 1908 (18.2) | 8397 (6.0) | 0.382* | 0.069 |
Antithrombotic user | 8383 (80.1) | 67 108 (47.8) | 0.716* | 0.009 |
Results are expressed as number (%) or mean±SD. Antithrombotics include antiplatelet agents and anticoagulants.
*Absolute standardised difference ≥0.1.
A-Fib, atrial fibrillation; DM, diabetes mellitus; d/o, disorder; MI, myocardial infarction; PS, propensity score; TGA, transient global amnesia.