Relative change from baseline (95% CI) for overall and stratified center status (comprehensive; non-comprehensive)
| Metric | Center type | ||
| Overall | CSC | Non-CSC | |
| LKW | 20.9% (5.8% to 36.1%) | 24.0% (–0.3% to 48.2%) | 12.4% (–1.0% to 25.7%) |
| DTI | 1.2% (–2.9% to 5.3%) | 1.6% (–3.0% to 6.1%) | 0.2% (–2.0% to 2.4%) |
| DTN | 0.8% (–2.9% to 4.5%) | 3.6% (1.2% to 6.0%) | −4.6% (–11.9% to 2.7%) |
| DTG | 2.8% (–5.0% to 10.6%) | 4.6% (–5.9% to 15.1%) | −0.6% (–8.3% to 7.1%) |
| DTR | 19.7% (11.1% to 28.2%) | 21.2% (12.3% to 30.1%) | 0.5% (–31.0% to 32.0%) |
Results are presented as percent change in the COVID-19 period compared with the comparison period with 95% CI. A negative value indicates a decrease in time during the COVID-19 period compared with the comparison period.
CSC, comprehensive stroke center; DTG, door-to-groin; DTI, door-to-imaging; DTN, door-to-needle; DTR, door-to-reperfusion; LKW, last-known-well; Non-CSC, non-comprehensive stroke center.