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Table 1 Rates and numbers of men using sperm cryopreservation for testicular cancer in the CECOS network from 1990 to 2013 and predictions after 2013 derived from the Poisson regression model and the Verhulst model

From: Sperm cryopreservation incidence in men with testicular cancer: towards a stabilization in testicular cancer incidence? Results from the CECOS network

Mean annual number of 100,000 person-yearsa Rates (number)
Men using sperm cryopreservation Poisson regression model Verhulst model
1990 172.69 1.73 (299) 2.64 (456) 1.96 (340)
1995 174.33 2.95 (515) 3.24 (565) 3.27 (576)
2000 177.58 4.64 (824) 3.98 (706) 4.48 (802)
2005 183.52 5.59 (1025) 4.88 (895) 5.27 (956)
2010 182.91 5.52 (1009) 5.98 (1094) 5.68 (1037)
2015 183.00 7.34 (1343) 5.87 (1073)
2020 183.48 9.00 (1652) 5.94 (1089)
  1. aMean annual number of 100,000 person-years means that, for example, in 1990, 17,269,000 men aged between 18 and 49 years old were at risk of developing testicular cancer in France. The incidence of sperm cryopreservation was calculated as the number of sperm cryopreservations divided by the mean annual number of 100,000 person-years for each year