Table 2:
Comparison of Door-to-CT times Based on Compliance with AHA Recommendations for Prehospital Care of Suspected Stroke Patients.
| AHA Recommendation | Recommendation not Met mean (stdev) and median (IQR) DTCT | Recommendation Met mean (stdev) and median (IQR) DTCT |
|---|---|---|
| Documented stroke scale | 18.7 (20.9); 10 (6, 20) | 17.6 (20.2); 9 (5, 18) |
| Blood glucose obtained* | 30.0 (26.6); 21 (7,50) | 17.0 (19.5); 10 (6,18) |
| Supplemental oxygen for pulse oximetry less than 94% | 17.0 (18.8); 10 (6, 19.5) | 19.6 (22.3); 10 (5, 20) |
| 12-lead ECG | 18.0 (21.1); 8 (6, 18) | 18.4 (20.3); 10 (6, 20.5) |
| Documented LKW or symptom onset* | 26.9 (24.7); 16 (7, 44) | 12.7 (15.1); 8 (5, 13) |
| <2 minutes from dispatch to enroute | 15.9 (17.9); 7.5 (4.0, 22.5) | 18.3 (20.7); 10 (6, 20) |
| <15 minutes on-scene time | 19.9 (21.0); 12 (6, 24) | 17.6 (20.4); 9 (5,20) |
| Prenotification to Receiving Hospital of Suspected Stroke†* | 35.3 (24.8); 26.5 (15, 52) | 8.8 (8.4); 7 (5,10) |
| Fully guideline-concordant care* | 18.9 (21.0); 10 (6, 21) | 7.4 (4.8); 7 (4, 8) |
| EMS documented classic symptoms (unilateral weakness, facial droop, and/or speech changes)* | 35.0 (24.3); 30 (15, 52) | 12.7 (15.6); 8 (5, 13) |
Abbreviations: AMS – altered mental status; DTCT – door-to-CT time (in minutes); ECG – electrocardiogram; LKW – last known well; IQR – interquartile range; stdev (standard deviation)
*
p<0.05 on Mann-Whitney U test