Table 3.

Combined rate of DVT/PE in patients undergoing THA or TKA

Type of joint replacement			DVT/PE within 90 days		Total
			No	Yes
Hip arthroplasty	Patients with no previous VV surgery or diagnosis	Total number	52,887	772	53,659
		%	98.6	1.4	100.0
	Patients with previous VV diagnosis and surgery	Total number	3429	49	3478
		%	98.6	1.4	100.0
	Patients with previous VV diagnosis but no documented surgery	Total number	219	8	227
		%	96.5	3.5	100.0
	Total	Number	56,535	829	57,364
		%	98.6	1.4	100.0
Knee arthroplasty	Patients with no previous VV surgery or diagnosis	Total number	47,175	632	47,807
		%	98.7	1.3	100.0
	Patients with previous VV diagnosis and surgery	Total number	3764	56	3820
		%	98.5	1.5	100.0
	Patients with previous VV diagnosis but no documented surgery	Total number	229	3	232
		%	98.7	1.3	100.0
	Total	Number	51,168	691	51,859
		%	98.7	1.3	100.0