Table 2.
Positive predictive values (PPV) for the identification of patients with acute stroke by the Emergency Medical Services (EMS) and referring physicians.
| Total PPV (95% CI) |
PPV before Lockdown (95% CI) |
PPV during Lockdown (95% CI) |
p-Value | |
|---|---|---|---|---|
| Referred by | ||||
| EMS | 76.7% (72.9–80.4) (n = 493) |
79.9% (75.3–84.5) (n = 289) |
72.1% (65.9–78.2) (n = 204) |
0.042 |
| Physician | 41.6% (35.2–48.0) (n = 226) |
40.8% (33.6–48.0) (n = 179) |
44.7% (30.5–58.9) (n = 47) |
0.629 |
| p-value | <0.001 | <0.001 | <0.001 |
CI, confidence interval.