Fig. 1

Overview of DXA values in THA/TKA patients with age, and diagnosis of osteoporosis/osteopenia based on T-scores. Pie charts indicate the frequency of osteoporosis, osteopenia and normal BMD in the TKA and the THA cohort. a Individual T- and Z-scores in the hip in the THA cohort with age. b Individual T- and Z-scores in the hip in the TKA cohort. c Individual T- and Z-scores in the lumbar spine (LS) in the THA cohort. d Individual T- and Z-scores in the lumbar spine (LS) in the TKA cohort. Linear correlation analysis for all panels, *p < 0.05