研究目的
To quantify the use of lasers as a tool to support medical procedures in German hospitals, given the lack of detailed quantitative data on laser use in the medical sector.
研究成果
The study confirms the growing importance of medical lasers in German hospitals, with a steady increase in the cumulative number of cases over nine years. The CO2 laser was the most commonly used type, despite the variety of lasers available. The findings suggest that laser-based methods and procedures will continue to rise in importance in the medical sector.
研究不足
The study does not include the outpatient medical sector and is limited to German hospitals. The quality reports may not capture all procedures if they are not OPS coded, though this is assumed to be a negligible proportion.
1：Experimental Design and Method Selection:
The study analyzed the raw data from the quality reports of German hospitals over nine years (2006, 2008, 2010, 2012-2017) to evaluate the use of medical lasers.
2：Sample Selection and Data Sources:
Data was sourced from the quality reports of German hospitals, which include quantitative data on procedures performed, encoded according to the Operationen- und Prozedurenschlüssel (OPS) catalog.
3：List of Experimental Equipment and Materials:
The study utilized Matlab R2018b for data analysis.
4：Experimental Procedures and Operational Workflow:
A Matlab script was created to process the XML files from the quality reports, extracting and analyzing data on laser procedures.
5：Data Analysis Methods:
Linear regression analysis was used to examine the relationship between the year of report (independent variable) and the number of laser procedures (dependent variable).
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