Validity of Operative Information in Japanese Administrative Data: a Chart Review-based Analysis of 1221 Cases at a Single Institution

Overview

Journal Surg Today

Specialty General Surgery

Date 2022 May 13

PMID 35552817

Authors

Takaaki Konishi

Takako Yoshimoto

Michimasa Fujiogi

Hayato Yamana

Masahiko Tanabe

Yasuyuki Seto

Hideo Yasunaga

Affiliations

Soon will be listed here.

Abstract

Purpose: To evaluate the validity of operative information recorded in the Diagnosis Procedure Combination (DPC) database, a national inpatient database including administrative claims data.

Methods: We reviewed the medical charts of 1221 patients who underwent one of six surgeries (breast, esophageal, gastric, thyroid cancer surgery, appendectomy, or inguinal hernia repair) at a surgery department of a university hospital from April 2016 to March 2019. We compared operative information (type, date, laterality of procedure; type of anesthesia; transfusion; and duration of anesthesia) recorded in the DPC database with the information recorded in the medical charts.

Results: The DPC data for type, date, laterality of surgery, and type of anesthesia were accurate in 99% of the reviewed patients. The sensitivity and specificity for identifying whether a patient received a transfusion procedure were 97.5% and 99.6%, respectively. Data regarding the duration of anesthesia in the DPC database were identical to those in medical chart records in 1114 of 1216 cases that received general or spinal anesthesia (91.5%). The duration of anesthesia in the DPC data was 53 min longer on average than the recorded operative time in the medical charts.

Conclusion: The DPC database had high validity for operative information.

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