Table 3.

Mean (SD) values of BMD (in g/cm²) in the 7 Gruen zones from baseline to 5 years in the Unique femoral group

Gruen zone	Baseline	3 months	6 months	12 months	24 months	36 months	60 months
1	0.70 (0.11)	0.63 (0.13)	0.64 (0.14)	0.63 (0.14)	0.62 (0.15)	0.59 (0.14)	0.61 (0.19)
2	1.42 (0.27)	1.30 (0.33)	1.29 (0.32)	1.30 (0.36)	1.26 (0.36)	1.21 (0.34)	1.28 (0.32)
3	1.71 (0.26)	1.63 (0.33)	1.65 (0.37)	1.64 (0.32)	1.63 (0.30)	1.61 (0.35)	1.62 (0.27)
4	1.72 (0.21)	1.69 (0.23)	1.67 (0.24)	1.65 (0.25)	1.66 (0.27)	1.59 (0.29)	1.57 (0.31)
5	1.71 (0.20)	1.67 (0.18)	1.69 (0.19)	1.69 (0.20)	1.69 (0.20)	1.66 (0.21)	1.68 (0.24)
6	1.13 (0.25)	1.06 (0.27)	1.06 (0.27)	1.07 (0.27)	1.08 (0.28)	1.03 (0.29)	1.10 (0.34)
7	1.01 (0.21)	0.84 (0.23)	0.81 (0.23)	0.80 (0.24)	0.77 (0.25)	0.72 (0.23)	0.75 (0.27)
Global	1.15 (0.15)	1.07 (0.17)	1.06 (0.17)	1.03 (0.22)	1.04 (0.18)	1.00 (0.17)	1.04 (0.20)