Table 1.

Patient Demographics and Clinical Characteristics by Type of Anticoagulation Received (Dalteparin vs. Unfractioned Heparin)

	Dalteparin	UFH	p - value
	(n = 1321)	(n = 1865)
Age, yrs (mean ± SD)	72.3 ± 13.2	70.5 ± 13.5	< 0.001
%Female (n)	61.4 % (510)	48.3 % (964)	< 0.001
Race - % (n)
White	31.9 (422)	29.3 (547)	0.09
Black	29.4 (388)	30.3 (565)
Hispanic	31.7 (419)	31.2 (582)
Other/Unknown	7.0 (92)	9.2 (183)
GFR, mL/min (mean ± SD)	42.8 ± 13.1	34.8 ± 16.5	< 0.001
Warfarin – % (n)	61.5 (813)	52.0 (970)	< 0.001
Charlson Score (median ± SD)	3.1 ± 2.5	3.7 ± 2.5	< 0.001
INR (median ± SD)	2.6 ± 2.2	2.8 ± 2.5	< 0.001
Platelet count, x109/L (mean ± SD)	188 ± 80	162 ± 80	< 0.001
History of bleeding % (n)	3.2 (42)	2.4 (44)	0.16
Health Insurance % (n)
Medicaid	18.9 (250)	20.4 (380)	0.81
Medicare	69.6 (920)	67.7 (1263)
Commercial	11.2 (148)	11.7 (219)
Self	0.2 (2)	0.1 (2)