Table 2.
C-characteristics stratified by age
| C-characteristic | Age < 60 years (N = 295) | Age > 60 years (N = 48) | Unadjusted OR (95%CI) | P value for uOR | Adjusted* OR (95%CI) | P value for adjusted* OR |
|---|---|---|---|---|---|---|
| C1-at least one symptom spreads gradually over 5 min, n/N (%) | 219 (74) | 26 (54) | 2.43 (1.23–5) | 0.004 | 2.49 (1.33–5) | 0.004 |
| C2-two or more aura symptoms occur in succession, n/N (%) | 182 (62) | 19 (40) | 2.45 (1.26–5) | 0.004 | 2.43 (1.30–5) | 0.005 |
| C3-each individual aura symptom lasts 5–60 min, n/N (%) | 171 (58) | 40 (83) | 0.27 (0.1–0.62) | < 0.001 | 0.27 (0.12–0.61) | 0.001 |
| C4-at least one symptom is unilateral, n/N (%) | 283 (96) | 44 (92) | 2.14 (0.48–7) | 0.19 | 2.14 (0.66–7) | 0.20 |
| C5-at least one aura symptom is positive, n/N (%) | 277 (94) | 46 (96) | 0.67 (0.72–2.95) | 0.60 | 0.65 (0.14–2.92) | 0.58 |
| C6-the aura is accompanied, or followed within 60 min by headache, n/N (%) | 278 (94) | 37 (77) | 4.86 (1.89–12) | < 0.001 | 4.79 (2.07–11) | < 0.001 |
*OR adjusted for sex