passages.id: split_6_test_826_passage
passages.type: progene_text
passages.text: In contrast , Pyr and Dpyr correlated with femoral cross - sectional area ( r = - 0.24 and - 0.33 , respectively ) and cortical bone area ( r = - 0.29 and - 0.33 , respectively ) , and with the apparent density of vertebral cancellous bone ( r = - 0.26 and - 0.19 , respectively ) , but not with the material density of bone .