Abstract
Purposes
To evaluate the reliability of data collected from the gastroenterological section of the National Clinical Database of Japan (NCD), which began registrations in 2011 with ten surgical subspecialty societies.
Methods
During 2014 and 2015, 1,136,700 cases involving 115 procedures at 4374 hospitals were registered in the gastroenterological surgery section of the NCD. After a test audit using the 2014 data, 17 hospitals were selected for the first audit and data verification for 2015. The data accuracy of patient demographics, surgical outcomes, and processes was assessed using 45 items from the cases registered, in comparison with the medical records.
Results
In the first audit of the 2015 data, case registration accuracy verification involved 338 patients (99.4% of the extracted cases). The data accuracy with the maximum postoperative variables was > 95%. Accuracy of the mortality and status 30 days after the surgery was high (> 99%) with a sensitivity of 1.00 and a specificity of 1.00. Among the six complications studied, the recorded cases had high specificity but lower sensitivity (0.70–0.89).
Conclusions
We verified the data from the gastroenterological section of the NCD and found high accuracy of data entry.
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Acknowledgements
We thank all individuals and academics from the JSGS who extended their cooperation as well as all of the data managers and hospitals that cooperated in these audit activities. We also thank all auditors below as the members of the JSGS database (Akinobu Taketomi, Akira Tangoku, Chikara Kunisaki, Harushi Udagawa, Itaru Endo, Tadahiko Masaki), the members of NCD data quality management subcommittee (Akira Sasaki, Fuyuhiko Motoi, Hideaki Kimura, Kazushige Kawai, Kinji Kamiya, Masaaki Yokoyama, Masaki Ueno, Shinichiro Mori, Shoichi Fujii, Takayuki Anazawa, Tatsuhiko Kakisaka, Yoshihito Furukita, Yoshiyuki Sasaki), and the members of NCD data quality management subcommittee working group (Hiroshi Hasegawa, Kenji Wakayama, Kunihito Gotoh, Kyohei Ariake, Satoshi Iino, Takashi Kosaka, Takahiro Yoshida, Yuji Akiyama, Zenichiro Saze).
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Kanaji, S., Takahashi, A., Miyata, H. et al. Initial verification of data from a clinical database of gastroenterological surgery in Japan. Surg Today 49, 328–333 (2019). https://doi.org/10.1007/s00595-018-1733-9
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DOI: https://doi.org/10.1007/s00595-018-1733-9