Table 2. Comparison of the odds of visits according to different service types between January–April 2019 and January–April 2020.
| Odds for service types | Hospital level | Odds2019 | Odds2020 | OR (95% CI)† |
|---|---|---|---|---|
| Op/Em | First-level | 54.8 | 613.4 | 11.2 (6.66, 18.83) |
| Second-level | 5.4 | 4.5 | 0.84 (0.83, 0.85) | |
| Third-level | 1.7 | 2.2 | 1.30 (1.29, 1.30) | |
| All | 2.2 | 2.6 | 1.19 (1.18, 1.19) | |
| (Op + Em)/Ob | First-level | 147.4 | 368.6 | 2.50 (1.62, 3.86) |
| Second-level | 34.4 | 36.5 | 1.06 (1.04, 1.09) | |
| Third-level | 10.3 | 15.5 | 1.50 (1.49, 1.51) | |
| All | 12.8 | 18.5 | 1.44 (1.43, 1.45) | |
| (Op + Em)/Ip | First-level | 3.2 | 4.4 | 1.39 (1.32, 1.47) |
| Second-level | 8.1 | 7.1 | 0.88 (0.87, 0.89) | |
| Third-level | 17.0 | 13.4 | 0.79 (0.78, 0.8) | |
| All | 12.9 | 10.7 | 0.83 (0.83, 0.84) |
†, ORs were calculated as Odds2020/Odds2019 in 2019. Statistical significance of changes in ratios were determined if the 95% CI of the OR excluded 1.0. CI, confidence interval; Ip, inpatient care; Ob, observation room; Op, outpatient; Em, emergency department; OR, odds ratio.