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. 2022 Apr 7;13:765165. doi: 10.3389/fneur.2022.765165

Table 3.

Emergency medical services performance and hospital-based outcomes among 916 suspected or confirmed strokes before and after the training.

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).