Table 2

 Correlations with total emergency department occupancy, ambulance diversion, and proportion of patients not seen within threshold waiting times

VariableED occupancyAmbulance diversionProportion of patients not seen within TWT
r (95%CI)pr (95%CI)pr (95%CI)p
LAP, low acuity patient, TWT, threshold waiting times.
Access block ED occupancy0.96 (0.91 to 0.98)<0.0010.75 (0.49, 0.88)<0.0010.83 (0.65, 0.93)<0.001
Admissions0.60 (0.26 to 0.81)0.0020.30 (−0.11, 0.63)0.160.53 (0.16, 0.77)0.008
Discharges−0.10 (−0.48 to 0.31)0.63−0.34 (−0.65, 0.07)0.110.06 (−0.35, 0.45)0.79
LAP0.05 (−0.36 to 0.44)0.930.19 (−0.23, 0.55)0.380.01 (−0.39, 0.41)0.98
Total attendances0.20 (−0.22 to 0.56)0.36−0.16 (−0.53, 0.26)0.450.46 (0.07, 0.73)0.02
Sea surface temperature−0.56 (−0.79 to 0.19)0.01−0.49 (−0.75, −0.10)0.020.37 (−0.04, 0.67)0.08