Table 3. Survey of health care professionals regarding practice trends in the management of supratherapeutic international normalized ratio (INR) values secondary to warfarin.

	Providers (physicians and physician assistants) (n = 21)	Hospital pharmacists (n = 13)	P
Familiarity with 2012 CHEST guidelines, n (%)	10 (48)	13 (100)	.0018
Awareness of change in vitamin K administration guidelines from 2008 to 2012 CHEST, n (%)	6 (29)	12 (92)	.0004
Resource preference for management of elevated INR values, n (%)
Tertiary source	19 (90)	8 (62)	.0747
Guidelines	6 (29)	9 (70)	.1945
Colleagues	2 (10)	3 (23)	.7334
Other	1 (5)	1 (7)	.8349