Table 1.

Six patients, 9 hips (5 heterozygous for the V Leiden mutation, 1 with resistance to activated protein C). Anticoagulation for 4 to 16 years. Symptoms, nonprogression by X-ray, and Ficat stages at entry and on follow-up.

Patient	Race sex	Age at entry	Follow-up yrs	Symptom improvement on long term anticoagulation	Progression by X-ray	Ficat stages at entry and on follow-up
Number 1 (2 hips)	WM	56	4	Symptom-free hips in 9 months No restriction in activities Full range of motion	None in both hips	Ficat II, right hip, Ficat I, left hip, unchanged
Number 2 (right hip)	WF	29	4	Symptom-free right hip in 3 months No restriction in activities	None in right hip	Ficat II, right hip, unchanged
Number 3 (2 hips)	WM	48	9	Symptoms persistent in both hips requiring Percocet No restriction in activities Full range of motion	None in both hips	Ficat II, both hips, unchanged
Number 4 (right hip)	BF	69	13	Symptom-free right hip in 16 months No restriction in activities Full range of motion	None in right hip	Ficat II, right hip, unchanged
Number 5 (2 hips)	WM	49	13	Symptom-free hips in 3 months No restriction in activities Full range of motion including rollerblading	None in both hips	Ficat II, both hips, unchanged
Number 6 (right hip)	WM	32	16	Symptom-free right hip in 3 months No restriction in activities Full range of motion including weight-lifting	None in right hip	Ficat II, right hip, unchanged