This project is planned to be based on the medical insurance database collected by the China Health Insurance Research Association (CHIRA). As a national academic research institution, CHIRA collects medical insurance patient data, covering more than 20 provinces across the country. The data of more than 60 municipalities, provincial capitals, and prefecture-level cities are unique and authoritative in my country. Based on the CHIRA database, big data analysis for Chinese sports medicine patients, starting from the names of medical institutions, admission/discharge diagnosis and classification of medical items, etc., to investigate the development trend of arthroscopic surgery in China and understand my country's arthroscopic diseases The distribution characteristics and changing trends of the quantity.

Sports medicine is a multidisciplinary comprehensive discipline, and is positioned as a secondary discipline in the country. It is a clinical application-based discipline that combines medicine and sports to solve sports-related diseases from a medical perspective. The treatment range is centered on the joints. The main treatment method is arthroscopic technology to solve sports-related injuries. Together with postoperative rehabilitation, the goal is to achieve the greatest recovery of motor function. This project is planned to be based on the medical insurance database collected by the China Health Insurance Research Association (CHIRA). As a national academic research institution, CHIRA collects medical insurance patient data, covering more than 20 provinces across the country. The data of more than 60 municipalities, provincial capitals, and prefecture-level cities are unique and authoritative in my country. Based on the CHIRA database, big data analysis for Chinese sports medicine patients, starting from the names of medical institutions, admission/discharge diagnosis and classification of medical items, etc., to investigate the development trend of arthroscopic surgery in China and understand my country's arthroscopic diseases The distribution characteristics and changing trends of the quantity.

Inclusion Criteria:

1. Discharge diagnosis of patients with sports injury-related injuries (ICD codes are M12, M13, M15-M19, M20-M25, M65-67, M70, M71, M75, M76, M94 and S33, S40, S43, S46, S51, S53, S63, S8, S73, S93)
2. Patients whose service item name in the detailed database contains the keyword "arthroscope". Any one of the above will be included in this topic.

Exclusion Criteria:

1. After the data is cleaned, it does not meet the requirements of sports injury patients;
2. The data content contains obvious defects and cannot be backfilled.

Sports trauma patients in the Chinese insured population