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Dashed line indicated living without disease.

Green $x$ indicated disease event.

Question

Answer

What was the disease prevalence between $2013-2017?$

Interpretation $1$:

$2.$ What was the disease incidence between $2013-2017?$

Interpretation $2$:

$3.$ What was the disease incidence density across the whole study?

Interpretation $3$:

$4.$ What was the disease prevalence across the whole study?

Interpretation $4$:

$5.$ What was the disease incidence across the whole study?

Interpretation $5$:

$6.$ What was the disease prevalence between $2010-2012?$

Interpretation $6$:

$7.$ What was the disease incidence between $2010-2012?$

Interpretation $7$: