Using Visual Aids to Improve Communication of Risks about Health: A Review

Table 2

Number of treated and nontreated patients who died from a heart attack used in fictitious medical scenarios.

Sizes of denominators^a	Treated patients		Nontreated patients
	Dead patients	Population size	Dead patients	Population size
800/800	16	800	80	800
100/800	2	100	80	800
800/100	16	800	10	100
100/100	2	100	10	100

Note. Treatment risk reduction is 80% in all conditions.
^aTreated and untreated patients, respectively.