Table 2.
The number of emergency patients registered in the Osaka Emergency Information Research Intelligent Operation Network system.
| January | February | March | April | May | June | July | August | September | October | November | December | Total | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | 2019 | 47,897 | 37,403 | 39,622 | 39,842 | 40,410 | 39,615 | 43,083 | 46,434 | 41,046 | 40,420 | 40,236 | 44,186 | 500,194 |
| 2020 | 44,330 | 37,793 | 36,038 | 30,898 | 31,844 | 34,371 | 37,955 | 42,898 | 36,593 | 37,479 | 35,873 | 37,249 | 443,321 | |
| IRR (95% CI) | 0.93 (0.91–0.94) | 1.01 (1.00–1.03) | 0.91 (0.90–0.92) | 0.78 (0.76–0.79) | 0.79 (0.78–0.80) | 0.87 (0.86–0.88) | 0.88 (0.87–0.89) | 0.92 (0.91–0.94) | 0.89 (0.88–0.90) | 0.93 (0.91–0.94) | 0.89 (0.88–0.90) | 0.84 (0.83–0.85) | 0.89 (0.88–0.89) | |
| p-value | 0.00 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Children | 2019 | 5108 | 3603 | 3937 | 4406 | 4565 | 4817 | 4833 | 4516 | 4269 | 3883 | 3699 | 4429 | 52,065 |
| 2020 | 4199 | 3215 | 2766 | 2267 | 2293 | 2686 | 3186 | 3286 | 2949 | 3081 | 2945 | 2661 | 35,534 | |
| IRR (95% CI) | 0.82 (0.79–0.86) | 0.89 (0.85–0.94) | 0.70 (0.67–0.74) | 0.51 (0.49–0.54) | 0.50 (0.48–0.53) | 0.56 (0.53–0.58) | 0.66 (0.63–0.69) | 0.73 (0.70–0.76) | 0.69 (0.66–0.72) | 0.79 (0.76–0.83) | 0.80 (0.76–0.84) | 0.60 (0.57–0.63) | 0.68 (0.67–0.69) | |
| p-value | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Adults | 2019 | 13,925 | 11,519 | 12,824 | 12,782 | 13,116 | 13,142 | 14,689 | 16,034 | 13,762 | 13,364 | 12,478 | 13,890 | 161,525 |
| 2020 | 13,441 | 11,635 | 11,647 | 10,034 | 10,534 | 11,623 | 13,243 | 14,640 | 11,948 | 11,891 | 10,890 | 10,683 | 142,209 | |
| IRR (95% CI) | 0.97 (0.94–0.99) | 1.01 (0.98–1.04) | 0.91 (0.89–0.93) | 0.79 (0.76–0.81) | 0.80 (0.78–0.82) | 0.88 (0.86–0.91) | 0.90 (0.88–0.92) | 0.91 (0.89–0.93) | 0.87 (0.85–0.89) | 0.89 (0.87–0.91) | 0.87 (0.85–0.90) | 0.77 (0.75–0.79) | 0.88 (0.87–0.89) | |
| p-value | 0.00 | 0.45 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Elderlies | 2019 | 28,864 | 22,281 | 22,861 | 22,654 | 22,729 | 21,656 | 23,561 | 25,884 | 23,015 | 23,173 | 24,059 | 25,867 | 286,604 |
| 2020 | 26,690 | 22,943 | 21,625 | 18,597 | 19,017 | 20,062 | 21,526 | 24,972 | 21,696 | 22,507 | 22,038 | 23,905 | 265,578 | |
| IRR (95% CI) | 0.92 (0.91–0.94) | 1.03 (1.01–1.05) | 0.95 (0.93–0.96) | 0.82 (0.81–0.84) | 0.84 (0.82–0.85) | 0.93 (0.91–0.94) | 0.91 (0.90–0.93) | 0.96 (0.95–0.98) | 0.94 (0.93–0.96) | 0.97 (0.95–0.99) | 0.92 (0.90–0.93) | 0.92 (0.91–0.94) | 0.93 (0.92–0.93) | |
| p-value | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
IRR: incident rate ratio; CI: confidence interval; NA: no assessment. IRR is for 2020 versus 2019.