Day of admission and elapsed time to surgery ≥36 hours
| Unadjusted | Adjusted for age and sex | Adjusted for age, sex, ASA score and years of data collection | |||||||
|---|---|---|---|---|---|---|---|---|---|
| OR | 95% CI | p-value | OR | 95% CI | p-value | OR | 95% CI | p-value | |
| Sunday (reference) | 1 | n/a | n/a | 1 | n/a | n/a | 1 | n/a | n/a |
| Monday | 1.19 | 0.82–1.71 | 0.362 | 1.21 | 0.84–1.74 | 0.316 | 1.09 | 0.72–1.63 | 0.697 |
| Tuesday | 2.33 | 1.65–3.28 | <0.001 | 2.37 | 1.68–3.33 | <0.001 | 2.46 | 1.685–3.58 | <0.001 |
| Wednesday | 1.66 | 1.17–2.36 | 0.004 | 1.69 | 1.19–2.40 | 0.003 | 1.64 | 1.11–2.43 | 0.013 |
| Thursday | 1.21 | 0.84–1.76 | 0.302 | 1.23 | 0.85–1.77 | 0.277 | 1.21 | 0.80–1.82 | 0.367 |
| Friday | 3.08 | 2.20–4.29 | <0.001 | 3.10 | 2.22–4.33 | <0.001 | 3.50 | 2.43–5.03 | <0.001 |
| Saturday | 4.44 | 3.19–6.19 | <0.001 | 4.52 | 3.25–6.30 | <0.001 | 4.70 | 3.26–6.76 | <0.001 |
ASA = American Society of Anesthesiologists; CI = confidence interval; OR = odds ratio.