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 11 Estimate of treatment effect of all hemorrhagic complication stratified for hip vs knee adjusted for effects of age, gender, and NSAID and hetastarch used

		Adjusted odds ratio(95 % CI)	p-value
Hip	Fondaparinux vs. variable dose warfarin	0.45 (0.14-1.44)	0.238
	Fixed dose warfarin vs. variable dose warfarin	0.40 (0.12-1.32)	0.170
	Fixed dose warfarin vs. fondaparinux	0.89 (0.24-3.3645)	0.978
Knee	Fondaparinux vs. variable dose warfarin	3.45 (1.15-10.32)	0.022
	Fixed dose warfarin vs. variable dose warfarin	1.78 (0.56-5.68)	0.471
	Fixed dose warfarin vs. fondaparinux	0.52 (0.20-1.36)	0.248

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