Table 1.

Breadth of coverage among six point-of-care tools.

Tool	na	Mean	SD	LS-meanb	Multiple comparison
Medscape	68	6.88	0.32	277.65	A
DynaMedPlus	68	6.47	1.66	260.35	A
Essential Evidence Plus	68	6.41	1.66	249.18	A	B
UpToDate	68	6.51	0.72	220.28		B
Epocrates	68	6.12	0.32	132.35
DynaMed	68	5.53	1.26	87.19

^aTotal number of diagnoses reviewed on all devices (17 diagnoses times 4 devices).

^bLeast square mean of rank score.