Length of stay (LOS) by day and time of admission
| Day of week of admission | Difference between days p Value | Monday–Friday 09:00–17:00 | Monday–Thursday 00:00–08:59 17:01–23:59 | Friday 17:01–23:59 Saturday 00:00–23:59 Sun 00:00-23:59 | Difference between time of day p Value | |||||||
| Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday | ||||||
| LOS 0–3 days | 48% 1071/2236 | 54% 1085/1992 | 45% 807/1788 | 35% 602/1744 | 39% 635/1642 | 46% 758/1631 | 48% 854/1783 | 44% 1855/4183 | 46% 2132/4665 | 46% 1825/3968 | ||
| LOS 4–7 days | 24% 535/2236 | 20% 405/1992 | 29% 520/1788 | 41% 708/1744 | 39% 642/1642 | 30% 491/1631 | 26% 467/1783 | <0.001 | 30% 1250/4183 | 29% 1350/4665 | 29% 1168/3968 | 0.52 |
| LOS >7 days | 28% 630/2236 | 25% 502/1992 | 26% 461/1788 | 25% 434/1744 | 22% 365/1642 | 23% 382/1631 | 26% 462/1783 | 26% 1078/4183 | 25% 1183/4665 | 25% 975/3968 | ||
| Median (IQR) LOS* | 4 (2–8) | 3 (2–8) | 5 (2–8) | 5 (2–7) | 4 (3–7) | 4 (2–7) | 4 (2–8) | <0.001 | 4 (2–8) | 4 (2–8) | 4 (2–7) | 0.23 |
*p Values from Kruskal–Wallis test; otherwise χ2 test.