Table I.

Summary of findings of the affected members.

Family members	Age	Sex	Age at onset	Major symptoms	Radigraphic findings	Genotype	Affected hip
II 1	79	M	76	Groin pain/limping	Cystic/collapse/joint space narrowing/secondary OA	Nomal	Bilateral
II 4	75	F		Asymptomatic	Normal	Mutation
II 5	71	M	60	Groin pain/limping/restricted motion	Cystic/joint space narrowing/secondary OA	Mutation	Bilateral
II 8	68	F	20	Groin pain/limping	Cystic/joint space narrowing/secondary OA	Mutation	Bilateral
II 9	66	M	30	Groin pain/limping/restricted motion	Cystic/joint space narrowing/secondary OA	Mutation	Bilateral
II 10	64	M		Groin pain	Cystic	Mutation	Right
II 12	62	M	30	Groin pain/limping	Cystic/collapse/joint space narrowing	Mutation	Right
III 5	58	F		Asymptomatic	Normal	Mutation
III 6	50	M	49	Groin pain	Cystic	Mutation	Right
III 7	46	F	32	Groin pain/limping	Cystic/collapse/joint space narrowing	Mutation	Bilateral
III 8	45	M	30	Groin pain/limping	Cystic/joint space narrowing	Mutation	Bilateral
III 9	39	F	23	Groin pain/limping	Cystic/joint space narrowing	Mutation	Bilateral
III 10	48	F	38	Groin pain/limping	Cystic/joint space narrowing	Mutation	Bilateral
III 11	41	M	40	Groin pain	Normal	Mutation	Left

F, female; OA, osteoarthritis; M, male.