Table 3

Post-enrolment healthcare utilisation and costs, and the mortality rate, as number and percentage (%) of deaths in 1 year post-enrolment for patients enrolled in the NICE (intervention group) and their matched controls (control group), with adjusted incidence rate ratios (IRRs), mean ratios (MRs) and hazard ratio (HRs), of intervention group to control group, and their corresponding 95% CIs

InterventionControlAdjusted effect size estimate95% CI
Healthcare utilisation frequencies, mean (SD)IRR*
 All-cause admissions3.05 (3.81)2.34 (2.92)1.110.97 to 1.28
 Emergency admissions2.80 (3.71)2.04 (2.73)1.150.99 to 1.33
 Emergency department attendances3.23 (4.30)2.61 (4.92)1.080.92 to 1.28
 SOC attendances6.45 (6.90)6.19 (7.28)0.900.80 to 1.01
 All-cause admissions LOS19.43 (26.59)17.29 (29.07)0.980.81 to 1.19
Healthcare utilisation charges ($), mean (SD)MR†
 All-cause admission charges15 768 (23 280)15 229 (27 129)2.381.44 to 3.92
 Emergency admission charges14 491 (20 998)13 699 (25 837)2.711.60 to 4.58
 Emergency department attendance charges1086 (1436)814 (1355)2.171.50 to 3.13
 SOC attendance charges952 (1031)822 (1337)1.310.96 to 1.79
HR‡
1 year mortality, n (%)134 (24.2%)169 (30.5%)0.740.59 to 0.95
  • *Adjusted for pre-enrolment healthcare utilisation and propensity score.

  • †Adjusted for pre-enrolment healthcare cost, propensity score and survival days (or follow-up time).

  • ‡Adjusted for propensity score.

  • LOS, length of stay; NICE, NUHS RHS Integrated Interventions and Care Extension; SOC, specialist outpatient clinic.