Cancer Registration: Principles and Methods - IARC

Data from CPR, i.e. vital Warning of possible duplicate tumours (C,M)
status + Cross-check of ICD-0 codes and forms by
another coder (M)
I Death certificates
Date of death
I
1 1
I MEDICAL CODING CONTROL
Procedures - tumour-based
Range and validity check, codes (C)
Internal logic between variables (C)
Conversion to Registry ICD-7 (C)
I
+
) CODING BASIC PERSON INFORMATION 1
1 Procedures: - tumour-based - computerized I
Names, age, marital status, place of residence,
date of emigration, date of death, occupation
I 1-4 1
Causes of death
Yearly linkage by PNR
( Place of death
'A/
PNR, names (C)
MICROFILMING AND FILING
Procedure:
Filming, film quality control (M)
Final PNRIname control (M)
Film mounting (M)
Destruction of original form
1
I
1 UPDATE MAIN DATA-BASE 1
I Procedures: - computerized
Statistics
Final back-up (tape)
Figure 3. Flow diagram of the Danish cancer registration system
(M) Manual/visual checking procedure
(C) Computerized checking procedure
CPR Central Population Register
PNR Personal identification number
MD Medical doctor
ICD-0 International Classification of Diseases for Oncology (WHO, 1976b)