Database Overview

Database name : 4DIN Research Network

Database administrator : 4DIN

Contact information : info@4din.com

Web site URL: https://4din.com/

General description of the database: Network to collect, de-identify and summarize various data from medical institutions

Data source:

DPC (Format1): Yes

DPC (EF file): Yes

Medical claim: Limited

Dental claim: Limited

Pharmacy claim: Limited

Electronic medical chart: Limited

Lab test results: Limited

Ordering: Limited

Health checkup: No

Registry: Limited

Others: No

Primary origin: Medical institution

Number of organization:

Data period

Starting year:

Latest year: 2022

Notes: By participating Hospitals

Handling anonymously processed information: Yes

Following the regulations on anonymously processed information: Yes

Number of unique identifiers [approx.,10K people]: 500

Annual number of unique identifiers (latest)[approx.,10K people]: 20

The latest year: 2021

% coverage of population: About 3.8 % of Japanese population

Annual N of outpatients (latest)[approx.,10K people]: 19

Annual N of inpatients (latest)[approx.,10K people]: 4

Annual N of treated diabetes patients (latest)[approx.,10K people]: 3

Definition: "The number of patients with the disease of ICD10 E10-E14. The number of patients that a diabetes medicine was prescribed.

Annual n of influenza (diagnosed) patients (latest)[approx.,10K people]: 0.2

Definition: The number of patients with the disease of ICD10 J10, J11. The number of patients that a Influenza medicine was prescribed.

Follow‐up duration:

>=1 year [approx.,10K people]:

>=3 year [approx.,10K people]:

>=5 year [approx.,10K people]:

Median [approx.,10K people]:

Age Distribution

0‐14 years old [approx.,%] : 8.9

15‐64 years old [approx.,%] : 52.6

65-74 years old [approx.,%] : 20.9

75 years old or older [approx.,%] : 20.9

notes:

Prescriptions

Drug master

Any available master: Yes

ATC (EphMRA): Limited

ATC (WHO): Limited

YJ code: Yes

HOT code: Yes

Reimbursement code: Yes

Hospital-original code: Yes

Others: No

notes:

Dispensing (in-hospital) : Yes

Dispensing (out-of-hospital) : No

Date of prescription: Yes

Date of dispensing: Limited

Dosage of prescription: No

Days of supply: No

Administration: No

Injection: No

Vaccine: No

Procedure master

Any available master: Yes

Reimbursement category: Yes

Reimbursement code: Yes

Others: No

Procedure name: Yes

Date of procedure: Yes

Hospitalization

Date of hospital admission: Yes

Date of hospital discharge: Yes

Medication while hospitalization: Yes

Diagnosis

Diagnosis master

Any available master: Yes

Standard diagnosis code: yes

ICD10 code (2013): Yes

ICD10 code (other than 2013): No

Others:

Laboratory test

Lab test master

Any available master: Yes

Lonic code: No

JLAC code: No

Reimvursement code: Yes

Hospital-original code: Yes

Others: No

Note:

Lab test (ordering): Yes

Lab test results

Any available test results: Yes

Lab test for sample(e.g.,blood, urine, microbe): Limited

Physiological test (e.g.,respiratory function, brain waves supersonic waves): Limited

Results of diagnostic imaging (e.g.,report of imaging interpretation): Limited

Genetic test (pathological tissue):Limited

Others: No

Demographic, Vital

Birth year: Yes

Birth month: Yes

Birth date: Yes

Age: Yes

Height: Yes

Weight: Yes

Blood pressure: Yes

Insurance Program

National Health Insurance: Yes

Government - managed Health: Yes

Society - managed Health: Yes

Mutual Society of Health Insurance: Yes

Elderly Person's Medical Program: Yes

Data access

Access to raw data via web: Yes

Access to original medical charts: Limited

Timing of data update: Monthly

Notes:

Latest data: 1 month ago

Publication

Presentation: Presentations at the Japan Association for Medical Informatics, the Japan Society for Health Care Management, and The Japanese Society of Clinical Pharmacology and Therapeutics, etc.

Publication to peer review journal: 10