This trend is similar to those reported for the United States of America.
This is in contrast to reported figures in the United States during similar timeline that showed that CRC rates declined for those 65 years and older, stabilized for people 50 to 64, but increased in relative order in people younger than 50 and those 50 to 54.
This is also in contrast to reported figures in the United States for similar period that showed increasingly higher CRC death counts in people below age 50- 54 years.
Footnote:
What is DALYs? This term stands for Disability-Adjusted Life Years.
According to the World Health Organisation, (WHO), the DALY "is a time-based measure that combines years of life lost due to premature mortality (YLLs) and years of life lost due to time lived in states of less than full health, or years of healthy life lost due to disability (YLDs)". One DALY represents the loss of the equivalent of one year of full health. DALYs for a disease or health condition are the sum of the years of life lost due to premature mortality (YLLs) and the years lived with a disability (YLDs) due to prevalent cases of the disease or health condition in a population.
Therefore the formula used to calculate DALYs is as follows:
Basically, the YLL corresponds to the number of deaths, multiplied by the standard life expectancy at the age at which death occurs.
The basic formula for YLL is
where the N stands for number of deaths. It is multiplied by L, which stands for standard life expectancy at age of death, in years.
The basic formula for YLD is
where the P stands for number of prevalent cases. It is multiplied by the “DW,” which stands for disability weight.
Awedew, A.F., Asefa, Z. & Belay, W.B. Burden and trend of colorectal cancer in 54 countries of Africa 2010–2019: A systematic examination for Global Burden of Disease. BMC Gastroenterol 22, 204 (2022). https://doi.org/10.1186/s12876-022-02275-0
WHO: The Global Health Observatory. Disability-Adjusted Life Years. Retreived March 5, 2023.
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