Table 5.
Stroke risk at 2, 7, 30, and 90 days stratified according to the ABCD2 score
| ABCD2 score | Patients, n | 2 days |
7 days |
30 days |
90 days |
|||
|---|---|---|---|---|---|---|---|---|
| stroke | stroke | risk, % (95% CI) | stroke | risk, % (95% CI) | stroke | risk, % (95% CI) | ||
| 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2 | 52 | 0 | 1 | 1.9 (0–5.5) | 1 | 1.9 (0–5.7) | 1 | 1.9 (0–5.7) |
| 3 | 121 | 0 | 2 | 1.6 (0–3.9) | 2 | 1.7 (0–3.9) | 5 | 4.1 (0.6–7.7) |
| 4 | 209 | 0 | 1 | 0.5 (0–1.4) | 6 | 2.9 (0.6–5.1) | 9 | 4.3 (1.6–7.1) |
| 5 | 268 | 1 | 3 | 1.1 (0–2.4) | 6 | 2.2 (0.5–4.0) | 10 | 3.7 (1.5–6.0) |
| 6 | 249 | 0 | 3 | 1.2 (0–2.6) | 8 | 3.2 (1.0–5.4) | 12 | 4.8 (2.2–7.5) |
| 7 | 78 | 1 | 4 | 5.1 (0.2–10.0) | 6 | 7.7 (1.8–13.6) | 7 | 9.0 (2.6–15.3) |
| Total | 1,000 | 2 | 14 | 1.4 (0.7–2.1) | 29 | 2.9 (1.9–3.9) | 44 | 4.4 (3.1–5.6) |
| AUC = 0.607 (95% CI: 0.433–0.780); log rank test = 10.1, d.f. = 7, p = 0.186; p for trend across the ABCD2 score levels = 0.172; OR = 1.33 (0.88–2.02), p = 0.179 | AUC = 0.607 (95% CI: 0.498–0.715); log rank test = 8.719, d.f. = 7, p = 0.273; p for trend across the ABCD2 score levels = 0.038; OR = 1.36 (1.01–1.83), p = 0.040 | AUC = 0.574 (95% CI: 0.486–0.662); log rank test = 6.394, d.f. = 7, p = 0.495; p for trend across the ABCD2 score levels = 0.062; OR = 1.24 (0.99–1.57), p = 0.066 | ||||||