Table 2.
Number of Eligible Patients with COVID-19 by Region, Divided into Observation Periods to Examine Acute and Post-COVID-19 Incidence.
| Region | Hokkaido, Tohoku | Kanto | Chubu | Kansai | Chugoku, Shikoku | Kyushu, Okinawa | Total | |
|---|---|---|---|---|---|---|---|---|
| Observation periods | Period 1; January 1, 2020-June 30, 2021 | 691 | 7,870 | 572 | 5,713 | 114 | 2,168 | 17,128 (14.0%) |
| Period 2; July 1, 2021-December 31, 2021 | 467 | 8,548 | 823 | 4,851 | 165 | 3,019 | 17,873 (14.6%) | |
| Period 3; January 1, 2022-June 30, 2022 | 3,388 | 32,186 | 3,721 | 32,290 | 987 | 14,472 | 87,044 (71.3%) | |
| Total | 4,546 | 48,604 | 5,116 | 42,854 | 1,266 | 19,659 | 122,045 | |
| (3.7%) | (39.8%) | (4.2%) | (35.1%) | (1.0%) | (16.1%) | (100.0%) |
*The regional information was obtained from the hospital address.