| Hour | Number of patients | Adjusted odds ratio | 95% confidence interval | value |
| 12:00 a.m. (reference) | 2,835 | 1.00 | N.A. | 1:00 a.m. | 2,447 | 1.20 | 0.95, 1.52 | N.S. | 2:00 a.m. | 2,042 | 1.04 | 0.80, 1.34 | 3:00 a.m. | 1,790 | 0.85 | 0.64, 1.13 | 4:00 a.m. | 1,618 | 1.20 | 0.92, 1.56 |
| 5:00 a.m. | 1,718 | 1.35 | 1.05, 1.74 | <0.05 |
| 6:00 a.m. | 1,767 | 2.02 | 1.60, 2.54 | <0.001
| 7:00 a.m. | 2,628 | 2.08 | 1.68, 2.58 | 8:00 a.m. | 4,120 | 2.42 | 1.98, 2.95 | 9:00 a.m. | 5,505 | 2.58 | 2.13, 3.11 | 10:00 a.m. | 6,089 | 2.10 | 1.73, 2.54 | 11:00 a.m. | 6,101 | 2.23 | 1.84, 2.70 | 12:00 p.m. | 5,904 | 2.16 | 1.78, 2.62 | 1:00 p.m. | 5,769 | 1.96 | 1.61, 2.38 | 2:00 p.m. | 5,636 | 1.77 | 1.46, 2.16 | 3:00 p.m. | 5,580 | 1.91 | 1.57, 2.32 | 4:00 p.m. | 5,385 | 1.86 | 1.53, 2.27 | 5:00 p.m. | 5,169 | 1.67 | 1.37, 2.04 | 6:00 p.m. | 4,996 | 1.58 | 1.29, 1.93 | 7:00 p.m. | 4,752 | 1.46 | 1.19, 1.79 |
| 8:00 p.m. | 4,489 | 1.36 | 1.10, 1.67 | <0.01 | 9:00 p.m. | 4,180 | 1.32 | 1.07, 1.64 |
| 10:00 p.m. | 3,670 | 1.29 | 1.04, 1.60 | <0.05 |
| 11:00 p.m. | 3,467 | 1.20 | 0.96, 1.50 | N.S. |
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