Table. Trends in Hospital Volume of 5 Emergency Medical Conditions Before and After the Start of the COVID-19 Pandemic.
| Institution | Condition | Mean daily count | Time series analysis | ||
|---|---|---|---|---|---|
| Pre–COVID-19 | Post–COVID-19 | Relative risk (95% CI) | P value | ||
| Stanford | Acute MI | 10.95 | 9.25 | 0.74 (0.68-0.80) | <.001 |
| Stanford | Ischemic stroke | 22.19 | 19.93 | 0.84 (0.79-0.89) | <.001 |
| Stanford | ntSAH | 2.10 | 1.50 | 0.79 (0.64-0.98) | .03 |
| Stanford | Appendicitis | 2.53 | 2.26 | 0.85 (0.71-1.01) | .07 |
| Stanford | Ectopic pregnancy | 0.58 | 0.52 | 0.76 (0.53-1.09) | .14 |
| NYP | Acute MI | 3.64 | 2.29 | 0.61 (0.52-0.72) | <.001 |
| NYP | Ischemic stroke | 9.09 | 4.93 | 0.51 (0.45-0.56) | <.001 |
| NYP | ntSAH | 0.92 | 0.61 | 0.67 (0.47-0.93) | .03 |
| NYP | Appendicitis | 2.04 | 1.06 | 0.58 (0.46-0.74) | <.001 |
| NYP | Ectopic pregnancy | 0.68 | 0.52 | 0.84 (0.59-1.20) | .33 |
Abbreviations: COVID-19, coronavirus disease 2019; MI, myocardial infarction; ntSAH, nontraumatic subarachnoid hemorrhage; NYP, NewYork-Presbyterian.