Table 2.

Average annual change in age-standardized (world standard population) incidence of testicular cancer by country, period, and histological type

CountryHistological groupAnnual change (%) (95% CI)*
Incidence in 1995
Entire period<19901990ObservedEstimated (95% CI)*
DenmarkAll2.6 (2.4-2.8)2.8 (2.7-3.0)−0.3 (−1.5 to 0.9)15.015.4 (14.6-16.2)
Seminomas2.4 (2.2-2.7)2.6 (2.3-2.8)0.9 (−1.2 to 2.9)8.38.0 (7.3-8.7)
Nonseminomas3.4 (3.1-3.6)3.9 (3.6-4.3)−3.5 (−5.8 to −1.2)6.26.9 (6.2-7.5)
NorwayAll3.0 (2.7-3.3)3.0 (2.6-3.4)2.9 (0.5-5.2)11.313.5 (12.3-14.8)
Seminomas2.6 (2.2-3.0)2.6 (2.1-3.0)2.7 (0.0-5.4)4.76.4 (5.7-7.1)
Nonseminomas3.7 (3.2-4.1)3.7 (3.2-4.3)2.8 (−0.6 to 6.1)6.36.8 (5.9-7.7)
SwedenAll3.2 (3.0-3.5)3.3 (3.0-3.7)2.5 (1.1-3.9)8.69.3 (8.9-9.9)
Seminomas3.1 (2.8-3.4)2.8 (2.3-3.2)5.0 (3.4-6.7)5.34.8 (4.5-5.1)
Nonseminomas3.4 (3.0-3.9)4.0 (3.4-4.5)0.0 (−2.3 to 2.4)3.24.4 (4.0-4.8)
FinlandAll3.9 (3.4-4.3)3.8 (3.2-4.4)4.6 (1.4-7.9)3.03.1 (2.8-3.5)
All typesSeminomas3.1 (2.4-3.7)3.0 (2.1-3.8)3.8 (−0.9 to 8.6)1.11.2 (1.1-1.5)
Nonseminomas6.0 (5.2-6.8)6.3 (5.3-7.4)3.3 (−2.3 to 9.0)1.71.6 (1.3-2.0)
PolandAll4.3 (2.4-6.3)2.62.7 (2.6-2.8)
EstoniaAll3.2 (1.7-4.7)3.2 (1.0-5.4)3.1 (−4.0 to 10)5.32.6 (2.0-3.3)
Seminomas2.4 (0.3-4.5)2.0 (−1.0 to 5.0)4.4 (−5.4 to 14)1.91.3 (0.9-1.8)
Nonseminomas6.7 (4.2-9.1)7.5 (3.9-11)2.9 (−8.9 to 15)2.61.2 (0.8-1.8)
LithuaniaAll4.9 (0.0-10.0)1.62.1 (1.8-2.4)
Seminomas6.3 (−1.2 to 14)1.10.9 (0.8-1.1)
Nonseminomas7.8 (−2.8 to 18)0.30.8 (0.6-1.0)
LatviaAll4.2 (2.1-6.2)3.0 (−1.6 to 7.6)5.3 (0.7-10)2.32.6 (2.2-3.0)
Seminomas4.0 (−0.3 to 8.4)−3.2 (−12 to 6.1)11 (1.9-20)0.71.2 (0.9-1.6)
Nonseminomas6.8 (2.3-11)16 (7.7-25)−2.8 (−12 to 6.0)1.51.2 (0.9-1.5)
  • NOTE: Observed and estimated incidence (per 100,000) in 1995.

  • * Estimated with a linear regression model using age-standardized incidence and linear splines with one knot at 1990.

  • Two-sided test for difference in linear trend before and after 1990: P < 0.05.