Table 1 Baseline data
| Â | All patients | No infection | Infection | p value |
|---|---|---|---|---|
(n = 40) | (n = 19) | (n = 21) | ||
Demographic data | Â | |||
 Age, median (IQR) | 79.2 (70.4–82) | 78.3 (74–80.5) | 80.4 (69.5–83) | 0.78 |
 Female sex, n (%) | 18 (45) | 9 (47.4) | 9 (42.9) | 1 |
Medical history, n (%) | Â | Â | Â | Â |
 Hypertension | 31 (77.5) | 12 (63.2) | 19 (90.5) | 0.06 |
 Atrial fibrillation | 9 (22.5) | 3 (15.8) | 6 (28.6) | 0.17 |
 Current smoking | 11 (27.5) | 5 (26.3) | 6 (28.6) | 0.64 |
 Diabetes mellitus | 7 (17.5) | 4 (21.1) | 3 (14.3) | 0.69 |
 Coronary heart disease | 10 (25) | 4 (21.1) | 6 (28.6) | 0.72 |
 Previous stroke | 11 (27.5) | 5 (26.3) | 6 (28.6) | 1 |
Clinical data, median (IQR) | Â | Â | Â | Â |
 NIHSS at admission | 5.5 (2–12) | 3 (2–7) | 12 (4–14) | 0.01 |
Laboratory values, median (IQR) | Â | Â | Â | Â |
 WBC (g/l) | 8.6 (6.8–10.1) | 7.7 (6.2–9.3) | 9.3 (7.4–11.2) | 0.14 |
 CRP (mg/l) | 3.6 (3–9.1) | 3.6 (3–6.8) | 4.8 (3–17.4) | 0.22 |
Lesion size on MR, DWIb | Â | Â | Â | Â |
 Small (1–10 mm3) | 23 (27.5) | 13 (68.4) | 10 (47.6) | 0.47 |
 Medium (10–100 mm3) | 8 (20) | 3 (15.8) | 5 (23.8) | 0.75 |
 Large (>100 mm3) | 1 (2.5) | 0 (0) | 1 (4.8) | 0.69 |
TOAST | Â | Â | Â | Â |
 Large vessel stroke | 8 (20) | 3 (15.8) |  | 0.69 |
 Cardioembolic stroke | 8 (20) | 4 (21.1) |  | 1 |
 Microangipathic stroke | 14 (35) | 5 (26.3) |  | 0.33 |
 Other | 0 (0) | 0 (0) |  |  |
 Unknown | 10 (25) | 7 (36.8) |  | 0.15 |