Table 2

Impacts of ERAS on health services utilization within 30 days of discharge

OutcomePre-ERASIRR (95%CI)Average change (95%CI)No. of patientsTotal change, d (95%CI)*
Primary LOS, d9.040.83 (0.77 to 0.90)−1.537 (−2.079 to −0.994)1295−1990 (−2693 to −1288)
No. of ED visits0.550.92 (0.66 to 1.28)−0.044 (−0.185 to 0.152)1295−57 (−240 to 197)
No. of specialist visits2.651.04 (0.84 to 1.29)0.106 (−0.432 to 0.756)1295137 (−560 to 979)
No. of GP visits2.10.96 (0.79 to 1.17)−0.084 (−0.432 to 0.361)1295−109 (−560 to 467)
No. of readmissions0.140.99 (0.66 to 1.48)−0.014 (−0.047 to 0.067)1295−18 (−61 to 87)
Readmission LOS. d10.10.71 (0.46 to 1.10)−2.929 (−5.417 to 1.001)143−419 (−775 to 143)
  • CI = confidence interval; ED = emergency department; ERAS = Enhanced Recovery After Surgery; GP = general practicioner; IRR = incidence rate ratio; LOS = length of stay in hospital.

  • * Number of readmission was multiplied by the readmission LOS to get the total change in days.