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Table 1 Description of the eight scenarios used to estimate the number of colorectal cancer patients treated with anti-tumour therapy in 2015 in the Czech Republic

From: Estimating the number of colorectal cancer patients treated with anti-tumour therapy in 2015: the analysis of the Czech National Cancer Registry

Proportion of treated patients
(for the year 2015)
Incidence rates
(for the period 2009-2015)
Survival rates
(for the period 2009-2015)
   Survival rates are considered fixed at the most recent values, i.e. survival rates in 2008 Survival rates are assumed to improve in the same manner as observed in the period 2004-2008
Proportion is regarded fixed in time and estimated from the period 2004-2008 Incidence rates are considered fixed at the values observed in 2008 Scenario 1 Scenario 2
  Incidence rates are modelled in time using the age-drift Poisson regression model Scenario 3 Scenario 4
Proportion observed in the period 2004-2008 is extrapolated forward in time using a logistic regression model Incidence rates are considered fixed at the values observed in 2008 Scenario 5 Scenario 6
  Incidence rates are modelled in time using the age-drift Poisson regression model Scenario 7 Scenario 8