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Fig. 2 | World Journal of Emergency Surgery

Fig. 2

From: Cost-effectiveness of a hybrid emergency room system for severe trauma: a health technology assessment from the perspective of the third-party payer in Japan

Fig. 2

Model structure. Initial admission costs were included in the short-term decision tree and follow-up costs were included in the long-term Markov model. Capital investment costs were added on the admission costs only to the hybrid ER system. Twenty-eight-day mortality was used for the transition probability in the decision tree. Extrapolated 1- to 3-year mortality rates after trauma and Japanese life table were used for the transition probability in the Markov model. QALYs were calculated using utility of intensive care patients in the decision tree and long-term utility after severe trauma in the Markov model. The only differences between two strategies were initial transition probability, initial admission costs, and capital investment costs. ER, emergency room; QALY, quality-adjusted life year

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