Table 2

Activity outcomes by time of presentation—analysis (night vs day)

Day (%)Night (%)OR
night (unadjusted)
OR
night (adjusted)
Additional time
night (unadjusted)
Additional time
night (adjusted)
Estimate
(95% CI)
Estimate
(95% CI)
Estimate
(95% CI)
Estimate
(95% CI)
Non-urgent*308 545 (14.26%)257 142 (16.34%)1.18 (1.17 to 1.18)1.20 (1.19 to 1.21)
Admitted*641 326 (29.65%)521 688 (33.16%)1.18 (1.17 to 1.18)1.09 (1.09 to 1.10)
Did not wait*45 909 (2.12%)81 076 (5.15%)2.51 (2.48 to 2.54)2.20 (2.17 to 2.23)
Re-attend*140 491 (6.49%)136 349 (8.67%)1.37 (1.36 to 1.38)1.26 (1.25 to 1.27)
Four-hour target*2 038 900 (94.26%)1 439 320 (91.48%)0.66 (0.65 to 0.66)0.71 (0.70 to 0.71)
Short stay
(<2 nights)*‡
225 161 (10.4%)222 118 (14.1%)1.38 (1.36 to 1.39)1.33 (1.32 to 1.35)
Waiting time†
(min)
Mean: 64.8
SD: 56.2
Median: 52
IQR: 25–92
Mean: 83.7
SD: 68.6
Median: 70
IQR: 32–122
18.83 (18.70 to 18.97)18.76 (18.62 to 18.89)
Total department time†
(min)
Mean: 144.3
SD: 82.5
Median: 136
IQR: 82–201
Mean: 162.1
SD: 89.8
Median: 160
IQR: 98–218
17.76 (17.59 to 18.94)13.64 (13.47 to 13.81)
  • Day is the reference category.

  • *Logistic regression model with output as OR adjusted for age, sex, IMD and arrival mode.

  • †Linear regression model with output as mean difference adjusted for age, sex, IMD and arrival mode.

  • ‡For admitted patients.

  • IMD, Index of Multiple Deprivation.