XIONG Yihao 1 , MA Yu 2,3,4 , HE Tao 5 , YANG Fuzhou 6 , HE Xingming 7 , CUI Futao 1 , WANG Hui 5 , LIU Yemei 6 , LU Wanjun 7 , TIAN Rong 1 , LI Ling 2,3,4 , SUN Xin 2,3,4 , LI Qianrui 1,2,3,4
  • 1. Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 2. Chinese Evidence-based Medicine Center, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
  • 3. NMPA Key Laboratory for Real World Data Research and Evaluation in Hainan, Haikou 570100, P. R. China;
  • 4. Sichuan Center of Technology Innovation for Real World Data, Chengdu 610041, P. R. China;
  • 5. Department of Nuclear Medicine, Panzhihua Central Hospital, Panzhihua 617000, P. R. China;
  • 6. Department of Nuclear Medicine, Ya’an People’s Hospital, Ya’an 625000, P. R. China;
  • 7. Department of Nuclear Medicine, Guangyuan Central Hospital, Guangyuan 628000, P. R. China;
SUN Xin, Email: sunxin@wchscu.cn; LI Qianrui, Email: liqianrui@wchscu.cn
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Objectives To develop a real-world-data-based monitoring system for diagnostic large medical equipment, and to use PET/CT as a carrier for validation. Methods We used literature survey, site investigation, and two-rounds of modified Delphi methods to develop the indicator system, and used the analytic hierarchy process method to determine the weight of each indicator. We collected real-world PET/CT data from four tertiary hospitals from July to December 2022, and monitored the use of PET/CT in each hospital. Results Questionnaire recovery rates of 2 rounds were 100% and 88%, respectively, the expert authority coefficient was greater than 0.70, and the coordination coefficients of experts in the total index were 0.307 and 0.471 (P<0.001). A three-level indicator system was established to monitor the use of large medical equipment, with three first-level indicators (clinical use, implementation, and other efficiencies), eight second-level indicators, and 15 third-level indicators. Empirical experiment found different hospitals vary in efficiency (of clinical use), staff status, and economic and research efficiency, while remained similar in other indicators. Conclusion We developed a monitoring system for diagnostic large medical equipment based on real-world data, and used PET/CT as a carrier for validation. These findings provided theoretical and empirical foundations for the management of diagnostic large medical equipment in China.

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