Table 4.
The number of deaths among hospitalized 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 | 1325 | 1018 | 1006 | 961 | 927 | 808 | 901 | 847 | 890 | 984 | 1096 | 1168 | 11,931 |
| 2020 | 1251 | 1070 | 1058 | 912 | 898 | 839 | 870 | 915 | 872 | 979 | 1062 | 1237 | 11,963 | |
| IRR (95% CI) | 0.94 (0.87–1.02) | 1.05 (0.96–1.15) | 1.05 (0.96–1.15) | 0.95 (0.87–1.04) | 0.97 (0.88–1.06) | 1.04 (0.94–1.15) | 0.97 (0.88–1.06) | 1.08 (0.98–1.19) | 0.98 (0.89–1.08) | 0.99 (0.91–1.09) | 0.97 (0.89–1.06) | 1.06 (0.98–1.15) | 1.00 (0.98–1.03) | |
| p-value | 0.14 | 0.26 | 0.25 | 0.26 | 0.50 | 0.45 | 0.46 | 0.11 | 0.67 | 0.91 | 0.46 | 0.16 | 0.84 | |
| Children | 2019 | 9 | 2 | 4 | 7 | 3 | 5 | 8 | 5 | 5 | 4 | 3 | 3 | 58 |
| 2020 | 5 | 8 | 4 | 3 | 1 | 2 | 3 | 2 | 3 | 4 | 2 | 10 | 47 | |
| IRR (95% CI) | 0.56 (0.15–1.85) | 4.00 (0.80–38.67) | 1.00 (0.19–5.37) | 0.43 (0.07–1.88) | 0.33 (0.01–4.15) | 0.40 (0.04–2.44) | 0.38 (0.06–1.56) | 0.40 (0.04–2.44) | 0.60 (0.09–3.08) | 1.00 (0.19–5.37) | 0.67 (0.06–5.82) | 3.33 (0.86–18.85) | 0.81 (0.54–1.21) | |
| p-value | 0.30 | 0.07 | 1.00 | 0.23 | 0.38 | 0.29 | 0.15 | 0.29 | 0.51 | 1.00 | 0.69 | 0.06 | 0.29 | |
| Adults | 2019 | 173 | 115 | 123 | 122 | 110 | 105 | 119 | 108 | 107 | 146 | 149 | 165 | 1542 |
| 2020 | 156 | 113 | 115 | 126 | 94 | 112 | 139 | 132 | 110 | 136 | 133 | 144 | 1510 | |
| IRR (95% CI) | 0.90 (0.72–1.13) | 0.98 (0.75–1.29) | 0.93 (0.72–1.22) | 1.03 (0.80–1.34) | 0.85 (0.64–1.14) | 1.07 (0.81–1.41) | 1.17 (0.91–1.50) | 1.22 (0.94–1.59) | 1.03 (0.78–1.35) | 0.93 (0.73–1.18) | 0.89 (0.70–1.14) | 0.87 (0.69–1.10) | 0.98 (0.91–1.05) | |
| p-value | 0.35 | 0.89 | 0.60 | 0.80 | 0.26 | 0.64 | 0.21 | 0.12 | 0.84 | 0.55 | 0.34 | 0.23 | 0.56 | |
| Elderlies | 2019 | 1143 | 901 | 879 | 832 | 814 | 698 | 774 | 734 | 778 | 834 | 944 | 1000 | 10,331 |
| 2020 | 1090 | 949 | 939 | 783 | 803 | 725 | 728 | 781 | 759 | 839 | 927 | 1083 | 10,406 | |
| IRR (95% CI) | 0.95 (0.88–1.04) | 1.05 (0.96–1.16) | 1.07 (0.97–1.17) | 0.94 (0.85–1.04) | 0.99 (0.89–1.09) | 1.04 (0.93–1.15) | 0.94 (0.85–1.04) | 1.06 (0.96–1.18) | 0.98 (0.88–1.08) | 1.01 (0.91–1.11) | 0.98 (0.90–1.08) | 1.08 (0.99–1.18) | 1.01 (0.98–1.04) | |
| p-value | 0.26 | 0.26 | 0.16 | 0.22 | 0.78 | 0.47 | 0.24 | 0.23 | 0.63 | 0.90 | 0.69 | 0.07 | 0.60 |
IRR: incident rate ratio; CI: confidence interval; NA: no assessment. IRR is for 2020 versus 2019.