Table 3.
Performance | All patients | Before training | After training | P-value |
---|---|---|---|---|
(95% CI) | (95% CI) | (95% CI) | ||
EMS recognized stroke patients (sensitivity) | 68.0% (64.6–71.3) | 68.0% (63.3–72.3) | 68.2% (63.0–72.9) | 0.955 |
PPV for identification of stroke patients | 75.2% (71.9–78.4) | 71.8% (67.3–76.3) | 79.8% (75.1–84.4) | 0.017 |
Onset-to-door ≤ 90 min | 37.2% (32.8–41.8) | 33.7% (28.2–39.8) | 42.0% (35.0–49.3) | 0.079 |
Door-to-CT ≤ 30 min† | 84.2% (78.6–88.6) | 84.1% (76.8–89.5) | 84.4% (74.7–90.9) | 0.956 |
IVT rate‡ | 19.3% (16.4–22.6) | 18.9% (15.1–23.4) | 19.9% (15.5–25.1) | 0.764 |
Door-to-needle time ≤ 30 min | 27.4% (20.1–36.1) | 23.4% (14.8–35.1) | 32.1% (21.1–45.5) | 0.297 |
In-hospital mortality§ | 10.5% (8.4–13.2) | 12.3% (9.4–16.0) | 7.8% (5.1–11.8) | 0.070 |
CI, confidence interval; PPV, positive predictive value; CT, computed tomography; IVT, intravenous thrombolysis.
†Included stroke patients, who underwent reperfusion treatment (n = 203).
‡Only ischemic stroke patients (n = 606).
§Only hospitalized stroke patients (n = 636).