Lung cancer registries in Denmark, Finland, Norway and Sweden: a comparison and proposal for harmonization

Figures & data

Table 1. Comparisons of the Nordic cancer registries.

	Denmark		Finland	Norway	Sweden
	DCR	DLCR	FCR	CRN/NLCR	SCR	SNLCR
Founded	1942	2000	1952	1952	1958	2002
Year of the latest report	2020	2021	2020	2021	2018	2021
Incidence (per 100.000)	Women 66.1 Men 70.8 (Age standardized)	No	Women 33.7 Men 60.3 (Age standardized)	Women 53.9 Men 62.7 (Age standardized)	Women 36.7 Men 41.7	No
Histology	No	Yes	Yes	Yes	Yes	Yes
Molecular Pathology (EFGR, ALK, PD-L1)	No	Yes	No	Yes	No	Yes
Stage	No	Yes	Yes	Yes	Yes	Yes
Coding	ICD-10	ICD-10	ICD-O-3	ICD-O2 (Converted to ICD-10)	ICD-7	ICD-O3
Comorbidity	No	Yes (CCI)	No	No	No	Yes
Smoking history	No	Yes	No	No	No	Yes
Alcohol consumption	No	Yes (only surgical patients)	No	No	No	No
Diagnostic procedures	No	Yes	Yes	Yes	No	Yes
Treatment	No	Yes	Yes	Yes	Yes	Yes
WHO PS	No	Yes	No	Yes	No	Yes
Registration mandatory	Yes	Yes	Yes	Yes	Yes	Yes
Completeness (%)	Unknown	94.4	97.2	98.8	96.3	95
DCI/DCO available (%)	1	No	4.8	1.5	No	No
Morphologically verified (%)	89	94.3	82.4	90.4	90	93

Data from the annual reports.

DCR: Danish Cancer Registry; DLCR: Danish Lung Cancer Registry; FCR: Finnish Cancer Registry; CRN: Cancer Registry Norway; NLCR: Norwegian Lung Cancer Registry; SCR: Swedish Cancer Registry; SNLCR: Swedish National Lung Cancer Registry; PS: performance status; DCI: death certificate initiated; DCO: death certificate only.

Table 2. Results from the latest annual reports.

	Denmark		Finland	Norway	Sweden
	DCR	DLCR	FCR	NCR/NLCR	SCR	SNLCR
Results from latest reports	2020	2021	2020	2021	2018	2021
Stage I (%)	Not available	25.4	Local: 6	26.4	Not available	22.6
Stage II (%)	Not available	8.3	Non-local: 47	7.5	Not available	7.0
Stage III (%)	Not available	18.1		18.7	Not available	18.7
Stage IV (%)	Not available	46.2		44.7	Not available	50.8
Unknown (%)	Not available	2.1	47	2.6	Not available	0.8
Treated with curative intent (%)	Not available	34.9	Not available	38.8	Not available	Not available
Surgically treated (%)	Not available	28.6	Not available	21.2	Not available	Not available
Post-surgery mortality rate (30 days) (%)	Not available	0.2	Not available	0.6	Not available	Not available
1-year survival (%)	Women 61, Men 53 (Relative survival)	55.1	Women 47, Men 38 (Relative survival)	Women 61.7, Men 56.1 (Relative survival)	No	53.0
5 -year survival (%)	Women 30, Men 24 (Relative survival)	23	Women 21, Men 14 (Relative survival)	Women 32.5, Men 25.6 (Relative survival)	Women 24.0 Men 16.8	21.0

Data availability statement

Data sharing is not applicable to this article as no new data were created or analyzed in this study.