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National Cancer Data Base - Data Dictionary PUF 2016

FACILITY

Facility Location

DD_category: 
PUF Data Item Name: 
FACILITY_LOCATION_CD
length: 
1
Allowable values: 
1 - 9
Description: 
The US Census Division of the reporting facility.
Analytic Note: 

This item is suppressed for cases aged 0-39.

Reference Date Flag

DD_category: 
PUF Data Item Name: 
REFERENCE_DATE_FLAG
length: 
1
Allowable values: 
0, 1
Description: 
Identifies whether a report for a case has a diagnosis date before or after the facility's reference date.
NCDB System Code Assignments: 

0 = Diagnosis date before reference date
1 = Diagnosis date on or after reference date

Analytic Note: 

Every facility has a reference date, from which they are accountable for the completeness of the data for cases diagnosed in that year through the present. Since a facility may request to move their reference date forward, there are some instances where a case’s diagnosis year falls before the facility’s reference date. This item is coded 0 in cases where this occurs. A 1 signifies cases where the diagnosis year is on or after the reference date year. Reports for cases whose diagnosis date is prior to the reference date cannot be changed or updated by the facility. For this reason, PUF researchers may choose to omit cases where the diagnosis date precedes the reference date, depending on the nature of the study.

Patient Treated in More than One CoC Facility?

DD_category: 
PUF Data Item Name: 
PUF_MULT_SOURCE
length: 
1
Allowable values: 
0, 1
Description: 
Identifies whether there was more than one CoC facility that submitted a report for this case to NCDB.
NCDB System Code Assignments: 

0 = Only one CoC facility reported this case to NCDB
1 = Records pertaining to this case submitted to NCDB by more than one CoC facility

Analytic Note: 

All CoC accredited programs that initially diagnose a patient or that provide all or part of first course treatment report the case. If more than one facility submitted a report, the "best" is provided in the PUF file based on recency of patient contact with the program, completeness of coded detail and/or edit quality, where differences exist. The record used in the case of ties is arbitrary. If this item is coded 0, only one facility provided a report for this cancer.

This item is used for hospital-level comparisons, surgical volume, distance or other hospital-level computations in order to take into account cases treated at more than one hospital.

If a patient received treatment in an outpatient facility or a non-CoC accredited facility, they could still have a code of 0 for this variable, if only one record for this patient was submitted to the NCDB. For these patients, they could have a Summary Treatment variable indicating that they received treatment (for example Chemotherapy= 1,2 or 3), but the hospital level treatment variable could indicate that no treatment was received at the facility included in the PUF (for example Chemotherapy at this Facility = 0). This would occur if a patient was diagnosed and/or treated in only one CoC facility but received treatment in an outpatient setting or in a non-CoC facility.

Facility Type

DD_category: 
PUF Data Item Name: 
FACILITY_TYPE_CD
length: 
1
Allowable values: 
1, 2, 3, 4
Description: 
Each facility reporting cases to the NCDB is assigned a category classification by the Commission on Cancer Accreditation program. This item provides a general classification of the structural characteristics of each reporting facility.
Registry Coding Instructions: 

None.

Analytic Note: 

For additional information about CoC accreditation categories see https://www.facs.org/quality-programs/cancer/accredited/about/categories. Please note that for hospitals who are categorized as Integrated Network Cancer Programs, there is no information in the PUF data as to when these facilities became part of a Network. Some facilities may have been in a Network throughout the time period in the PUF, whereas others may have only recently become part of a Network. Additionally, facilities designated in the Network category could previously been assigned a different category before joining their Network, such as Community, Academic, etc. Keep this in mind when analyzing facility type data, as Networks are comprised of several different types of facilities, but are only classified as Integrated Network Cancer Program in the PUF data. The hospital category in the PUF only represents the current designation of the facility.

See Data De-identification and Confidentiality for a description of the handling of some categories. Please note that VA/DoD facilities are not included in the PUF files, and therefore are not identifiable as a type of cancer program.

This item is suppressed for cases aged 0-39.

Code Label
1 Community Cancer Program
2 Comprehensive Community Cancer Program
3 Academic/Research Program (includes NCI-designated comprehensive cancer centers)
4 Integrated Network Cancer Program


Facility Key

DD_category: 
PUF Data Item Name: 
PUF_FACILITY_ID
length: 
10
Description: 
The facility reporting the case to the NCDB. Codes are anonymized. The facility random IDs are assigned regardless of cancer site, so you may identify the same facilities across cancer sites.
Registry Coding Instructions: 

None.

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