Abstract O-028 Table 1 Analysis of stroke codes activated by Ventura County EMS between Jan 2016 – Jan 2017
| Total Stroke Codes (n) | 204 |
|---|---|
| Total stroke codes with ELVO Positive – Male: Female – Mean age of patients (standard deviation ) – Mean ELVO score (standard deviation) | 26 11:15 77 (± 13.01) 2.12 (±1.13) |
| Total ELVO positive stroke codes with confirmed LVO on angiogram – Mean door to IV t-pa time (standard deviation ) – Mean door to groin time (standard deviation) – Mean door to reperfusion time (standard deviation ) | 18 23.20 mins. (±9.73 ) 73.20 mins. (±20.30 )135.20 mins. (±32.77 ) |
| Total ELVO positive stroke codes with no LVO on angiogram | 8 |
| Total stroke code with ELVO negative | 178 |
| Total stroke code with ELVO negative but LVO on angiogram | 1 |
| Sensitivity of VES | 94.74% |
| Specificity of VES | 95.67% |
| Positive predictive value of VES | 69.23 % |
| Negative Predictive value of VES | 99.44% |