Clinical Study
Copeptin: Limited Usefulness in Early Stroke Differentiation?
Table 1
Patients’ characteristics.
| Variables | All study patients () | Patients with stroke () | Patients with mimics () | Patients with TIA () |
| Female % | 44 | 50 | 42.9 | 22 |
| Age median (IQR) | 71 (54/76) | 68 (51/76) | 59 (53/83) | 71 (57/82) |
| Medical history: | | | | |
| Previous stroke in % () (unknown = 1) | 33 (12) | 40 (8) | 28 (2) | 22 (2) |
| Previous TIA in % () | 6 (2) | 0 | 14 (1) | 11 (1) |
| Copeptin in pmol/L Median (25%/75%) | 13.8 (9.1/48.5) | 19.1 (11.2/48.5) | 33.31 (7.57/255.7) | 9.4 (5.4/13.8) |
| tPA administered in % () | 42 (15) | 70 (14) | 0 | 11 (1) |
| Stroke severity, median NIHSS score (25%/75%) | 4 (2/9) | 7 (3/11) | 6 (1/9) | 2 (1/3) |
| Length of inpatient stay in days Median (25%/75%) | 8 (4/10) | 9 (4/12) | 6 (5/8) | 6 (4/8) |
| TOAST score in % () Large artery atherosclerosis Cardioembolism Small vessel occlusion Other determined aetiology Undetermined aetiology Unknown | 36.1 (13) 16.7 (6) 16.7 (6) — 2.8 (1) 27.8 (10) | 55 (11) 15 (3) 15 (3) — — 15 (3) | — — — — — — | 22.2 (2) 33.3 (3) 22.2 (2) — — 22.2 (2) |
| Risk factors in % () Hypertension Diabetes mellitus Hypercholesterolemia Neurologic disorders Coronary heart disease | 83 (30) 33 (12) 19 (7) 22 (8) 11 (4) | 80 (16) 35 (7) 20 (4) 15 (3) 20 (4) | 86 (6) 29 (2) 14 (1) 43 (3) 0 | 67 (6) 33 (3) 22 (2) 22 (2) 0 |
| Mortality within 1 year % () (unknown = 3) | 11 (4) | 19 (4) | 0 | 0 |
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