Comparison of symptom to balloon times for STEMI presentations using the Mann-Whitney U test between COVID-19 isolation and three prior time periods
| Years | Symptom to balloon time | COV versus prior periods (p value) |
| 2018 | 366 (±334)* | 0.97 |
| 2019 | 345 (±493)* | 0.83 |
| P-Cov 2020 | 332 (±239)* | 0.83 |
| COVID-19 2020 | 324 (±274)* |
*SD.
COV, COVID-19; P-Cov, pre-COVID-19 isolation.