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Table 2 Measurement of bone mineral density of lumbar spine and femoral neck

From: Adult hypophosphatasia with compound heterozygous p.Phe327Leu missense and c.1559delT frameshift mutations in tissue-nonspecific alkaline phosphatase gene: a case report

Variable On presentation After 1 year After 2.5 years
T-score
 Lumbar vertebra − 1.2 − 1.1 − 1.0
 Femoral neck   − 2.5 − 2.5
 Total hip   − 1.9 − 2.1
Z-score
 Lumbar vertebra − 1.3 − 1.1 − 0.9
 Femoral neck   − 2.2 − 2.2
 Total hip   − 1.8 − 1.8
Young adult mean (age-matched) (%)
 Lumbar vertebra 86 87 89
 Femoral neck   68 68
 Total hip   76 75