Low dose compared to variable dose Warfarin and to Fondaparinux as prophylaxis for thromboembolism after elective hip or knee replacement surgery; a randomized, prospective study

Table 10 Unadjusted estimated effect of treatment on hemorrhagic complications

		Unadjusted OR (95 % CI)	p-value
Fondaparinux vs. variable dose warfarin	Both	1.29 (0.61-2.71)	0.709
	Hip	0.45 (0.14-1.42)	0.236
	Knee	3.18 (1.07-9.45)	0.034
Fixed dose warfarin vs. variable dose warfarin	Both	0.83 (0.38-1.84)	0.854
	Hip	0.38 (0.12-1.24)	0.134
	Knee	1.78 (0.57-5.62)	0.463
Fixed dose warfarin vs. fondaparinux	Both	0.65 (0.30-1.40)	0.384
	Hip	0.84 (0.23-3.10)	0.946
	Knee	0.56 (0.21-1.47)	0.338

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