Table 2.

Preferences for graphical presentation styles

Non-colored charts	Patientsa (N = 232)	Medical specialists (N = 86)	Nurses (N = 141)b
	Frequency (%)	Frequency (%)	Frequency (%)
Bar charts	30.3	18.9	32.0
Line charts	19.9	21.6	18.0
No preference	49.8	NA	NA

Colored charts	Patientsa (N = 316)	Medical specialists (N = 86)	Nurses (N = 141)b
	Frequency (%)	Frequency (%)	Frequency (%)
Bar charts	38.9	12.2	4.0
Line charts	11.5	1.4	14.0
Heat map	19.8	45.9	32.0
No preference	29.9	NA	NA

^aNumbers in this column add up to 200 % because patients either judged the non-colored or the colored charts. For both types of charts, the total adds up to 100 %

^bNurses and other health professionals