All of the following are example of Ratios except
Relative risk
Incidence
Sex ratio
Maternal moality ratio
Tools of measurement in epidemics: Rate = x 1000/ 10000/ 100000 ; a is pa of b Ratio = a/b ; a is not a pa of b Propoion = x 100 = % ; a is pa of b - Eg: Rate Ratio Propoion IMR Incidence Crude death rate MMR Sex ratio Relative risk Prevalence Case fatality rate Survival rate Propoional moality rate
Disease Causation, Measurements, Milestones