Patterns of Non-Infectious Disease (HSC SSCE Biology): Flashcards
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Practise the cards
10 cards from this deck
Definition of epidemiology
Definition of epidemiology
Study of disease distribution & determinants in populations
Difference: incidence vs prevalence
Difference: incidence vs prevalence
Incidence = new cases; prevalence = all existing cases
Age when colorectal cancer risk sharply increases
Age when colorectal cancer risk sharply increases
After age 50
Gender with higher colorectal cancer incidence & mortality
Gender with higher colorectal cancer incidence & mortality
Males
% of colorectal cancer cases with hereditary influence
% of colorectal cancer cases with hereditary influence
25%
Colorectal cancer mortality trend in Australia (1968-2014)
Colorectal cancer mortality trend in Australia (1968-2014)
Consistent downward trend; approximately halved
5-year survival rate for colorectal cancer (2009-2013)
5-year survival rate for colorectal cancer (2009-2013)
68-70%
Purpose of age-standardised rates
Purpose of age-standardised rates
Allow fair comparison between populations with different ages
Regions with highest colorectal cancer incidence
Regions with highest colorectal cancer incidence
Australia/NZ, Western/Northern Europe, Northern America
Lifestyle risk factors for colorectal cancer
Lifestyle risk factors for colorectal cancer
Smoking, alcohol, red/processed meat, obesity, inactivity