Table 4. Standardized Incidence Ratios for Cutaneous SCC in Cohort Studies of Organ Transplant Recipient.

Source	Transplantation Period	Country	Organ	Standardized Incidence Ratio
				First SCC	All SCCs
Birkeland et al, 1995	1964-1982	Nordic countriesa	Kidney	29.0/18.0b,c	NR
Hartevelt et al, 1990	1966-1988	The Netherlands	Kidney	NR	253d
Jensen et al, 1999	1963-1992	Norway	Kidney, heart	65	NR
Lindelöf et al, 2000	1970-1994	Sweden	Solid organ	NR	108.6/92.8c
Adami et al, 2003	1970-1997	Sweden	Solid organ	56	NR
Moloney et al, 2006	1986-2001	Ireland	Kidney	NR	33.3b,e
Aberg et al, 2008	1982-2005	Finland	Liver	NR	38.5b
Jensen et al, 2010	1977-2006	Denmark	Solid organ	NR	82
Wisgerhof et al, 2011	1996-2006	The Netherlands	Kidney	39.6	NR
Harwood et al, 2013	Up to 2006	United Kingdom	Solid organ	NR	153f
Krynitz et al, 2013	1970-2008	Sweden	Kidney	NR	121
			Heart, lung		244
			Liver		32
Hortlund et al, 2017	1963-2011	Sweden	Solid organ	44.7	NR
	1977-2011	Denmark		41.5

Abbreviations: NR, not reported; SCC, squamous cell carcinoma; SIR, standardized incidence ratio.

^aDenmark, Finland, Norway, and Sweden.

^bNonmelanoma skin cancer.

^cMales/females.

^dWith background population data from another region.

^eFollowed up from 1994 through 2001.

^fNot calendar period-based.