Table 3.
Estimated differences in average weekly all-cause emergency department (ED) visits and asthma ED visits during three pandemic surveillance periods and three corresponding comparison surveillance periods using data from the National Syndromic Surveillance Program, December 2018–March 2022
| 2020 pandemic surveillance period vs. comparison surveillance period | 2021 pandemic surveillance period vs. comparison surveillance period | 2022 pandemic surveillance period vs. comparison surveillance period | |
|---|---|---|---|
|
|
|||
| No. (% change) | No. (% change) | No. (% change) | |
| All-cause ED visits | |||
| Total | 357 166 (−23.8) | 110 332 (−7.4) | 174 947 (−11.8) |
| Asthma ED visits | |||
| Total | 13 902 (−30.7) | 8 805 (−19.6) | 11 119 (−26.1) |
| Age, in years | |||
| 0–4 | 2658 (−74.2) | 1106 (−31.4) | 1152 (−35.7) |
| 5–11 | 3216 (−66.2) | 1770 (−36.5) | 1931 (−41.0) |
| 12–17 | 1468 (−47.3) | 838 (−27.2) | 945 (−32.1) |
| 18–44 | 3564 (−18.8) | 2748 (−14.7) | 3732 (−21.6) |
| 45–64 | 1985 (−20.3) | 1747 (−18.0) | 2518 (−26.1) |
| 65+ | 1012 (−20.4) | 596 (−12.1) | 841 (−17.6) |
| Sexa | |||
| Female | 7706 (−28.1) | 5206 (−19.1) | 6767 (−25.9) |
| Male | 6177 (−34.8) | 3589 (−20.5) | 4340 (−26.4) |
For each of the surveillance period comparisons, the sums of the sex-specific values do not equal the asthma ED visit total values because ED visits reported with missing patient sex information are excluded from the sex-specific averages, but included in the total averages.