Abstract
Objective To establish a scientific, objective and practical evaluation scale for thoracic close drainage system. Methods Based on the evidence-based practice and related documents, the indicators of efficiency for thoracic close drainage system were identified tentatively. Then Delphi method was used and 23 experts were investigated and consulted by two rounds. Results The index of experts activity was 92% and 100% in the first and second round of Delphi consultation, respectively. The scale comprised 50 indicators in 3 dimensions, the experts' authority coefficient was 0.987. Conclusions The reliability and authority of the scale are acceptable and it can be used to evaluate the efficiency of thoracic close drainage system. Key words: Thoracic close drainage; Effectiveness evaluation; Delphi method
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