Multivariate analysis of leaving without being seen
| Characteristic | Proportion who did not wait | Odds ratio | 95% CI | p Value |
|---|---|---|---|---|
| *Odds ratio for each year of age. | ||||
| Age | − | 0.978* | 0.976 to 0.980 | <0.001 |
| Male sex | 8.3 | 1.18 | 1.11 to 1.25 | <0.001 |
| Female sex | 5.8 | Reference | − | − |
| Triage category | ||||
| 1 | 0 | Reference | − | − |
| 2 | 0.3 | 4.0 | 0.1 to 119 | 0.429 |
| 3 | 3.2 | 34.0 | 1.2 to 939 | 0.037 |
| 4 | 9.4 | 89.0 | 3 to 2452 | 0.008 |
| 5 | 25.0 | 376.5 | 14 to 10402 | <0.001 |
| Initiator of attendance | ||||
| GP | 3.1 | 0.68 | 0.56 to 0.83 | <0.001 |
| Other | 7.4 | Reference | − | − |
| Arrival by | ||||
| Ambulance | 3.6 | 0.57 | 0.51 to 0.64 | <0.001 |
| Other | 8.9 | Reference | − | − |
| Time of presentation | ||||
| 00:00 to 06:00 | 13.8 | 4.49 | 4.06 to 4.97 | <0.001 |
| 06:00 to 12:00 | 3.7 | Reference | − | − |
| 12:00 to 18:00 | 5.8 | 1.53 | 1.40 to 1.69 | <0.001 |
| 18:00 to 00:00 | 8.6 | 2.42 | 2.21 to 2.66 | <0.001 |
| Day of attendance | ||||
| Monday | 8.1 | 1.57 | 1.41 to 1.76 | <0.001 |
| Tuesday | 6.5 | 1.19 | 1.06 to 1.34 | 0.003 |
| Wednesday | 5.5 | Reference | − | − |
| Thursday | 6.6 | 1.20 | 1.07 to 1.35 | 0.002 |
| Friday | 6.2 | 1.11 | 0.99 to 1.26 | 0.080 |
| Saturday | 8.2 | 1.38 | 1.24 to 1.55 | <0.001 |
| Sunday | 8.9 | 1.54 | 1.38 to 1.73 | <0.001 |
| Month of attendance | ||||
| January | 6.3 | 1.25 | 1.07 to 1.46 | 0.005 |
| February | 5.4 | 1.05 | 0.89 to 1.23 | 0.582 |
| March | 5.3 | Reference | − | − |
| April | 6.0 | 1.15 | 0.99 to 1.35 | 0.072 |
| May | 5.8 | 1.08 | 0.93 to 1.26 | 0.312 |
| June | 6.0 | 1.12 | 0.96 to 1.31 | 0.161 |
| July | 6.8 | 1.29 | 1.11 to 1.50 | 0.001 |
| August | 8.2 | 1.69 | 1.46 to 1.96 | <0.001 |
| September | 10.3 | 2.14 | 1.85 to 2.47 | <0.001 |
| October | 11.1 | 2.42 | 2.10 to 2.78 | <0.001 |
| November | 7.0 | 1.41 | 1.21 to 1.65 | <0.001 |
| December | 7.5 | 1.60 | 1.38 to 1.86 | <0.001 |