while bone density did not correlate with age in each group , perimenopausal women had significantly lower bone density at the l2-l4 and femoral neck ( l2-l4 , 1.18 +/- 0.14 in perimenopausal and 1.24 +/- 0.12 g/cm2 in premenopausal women ; femur , 0.84 +/- 0.11 in perimenopausal and 0.90 +/- 0.11 g/cm2 in premenopausal women ; p less than 0.005 ) .
C0015815
femoral neck
C0015811
femur