Clinical and genetic diagnosis of autosomal dominant osteopetrosis type II in a Chinese family: A case report

Table 2 Bone mineral density results for the proband and her daughter

	The BMD values of the proband (g/cm2)	T/Z score of the proband	The BMD values of the proband’s daughter (g/cm2)	T/Z score of the proband’sdaughter
L1	2.013	8.2/8.8	1.777	5.2/5.4
L2	2.146	8.7/9.4	1.811	5.0/5.1
L3	2.256	9.2/9.9	1.785	4.5/4.7
L4	2.335	9.9/10.4	1.900	5.3/5.5
L1-L4	2.203	9.1/9.7	1.820	5.1/5.2
Femoral neck	1.838	7.6/8.2	1.391	2.5/2.9
Total hip	1.851	6.7/7.2	1.344	2.7/2.9

T scores were calculated by comparison with the age-specific bone mineral density reference value of Chinese adolescents; Z scores were calculated by comparison with age-matched and sex-matched Chinese adults. BMD: Bone mineral density.