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Table 4 The results of the scenario analyses

From: An economic evaluation of triage tools for patients with suspected severe injuries in England

Scenario

Cost-effective tool at £20,000 per QALY gained

Cost-effective tool at £30,000 per QALY gained

Base Case

28.4% Sens, 88.6% Spec

87.5% Sens, 62.8% Spec

Scenario analyses

 TARN 2015 survival equation with every patient’s CCI being missing

28.4% Sens, 88.6% Spec

87.5% Sens, 62.8% Spec

MTC benefit for people with and ISS in the range 16 > ISS ≥ 9

 MTCs have 25% benefit

RR of death prior to discharge = 1.07

RR of death discharge and one year = 1.16

28.4% Sens, 88.6% Spec

99.8% Sens, 2.5% Spec

 MTCs have 50% benefit

RR of death prior to discharge = 1.13

RR of death discharge to one year = 1.32

28.4% Sens, 88.6% Spec

99.8% Sens, 2.5% Spec

 MTCs have 75% benefit

RR of death prior to discharge = 1.19

RR of death discharge to one year = 1.48

99.8% Sens, 2.5% Spec

99.8% Sens, 2.5% Spec

  1. Full results are given in the Additional file 1: Appendix
  2. QALY quality adjusted life year, Sens sensitivity, Spec specificity, TARN Trauma Audit and Research Network, CCI Charlson comorbidty index, MTCs major trauma centres, RR relative risk