Table 6.

Variations in the cortical index and femoral cortex at levels A, B, and C in the hips included in the followup study (N = 35)

Different levels	Presurgery	Postsurgery	At 6 months	At 12 months	At latest followup	p values*
Level A
Cortical index	1.49 ± 0.15	1.55 ± 0.15	1.56 ± 0.13	1.57 ± 0.17	1.59 ± 0.18	0.022
Lateral cortex	4.05 ± 1.60	4.92 ± 2.44	5.19 ± 2.29	5.48 ± 2.53	5.24 ± 2.54	0.001
Medial cortex	4.24 ± 1.82	5.64 ± 2.25	5.84 ± 2.41	6.54 ± 3.08	7.06 ± 4.25	< 0.001
Level B
Cortical index	1.50 ± 0.18	1.60 ± 0.16	1.55 ± 0.18	1.61 ± 0.17	1.61 ± 0.17	< 0.001
Lateral cortex	4.11 ± 1.45	5.16 ± 1.87	4.69 ± 2.09	5.35 ± 1.69	5.18 ± 2.15	0.009
Medial cortex	4.30 ± 1.72	5.83 ± 2.09	5.83 ± 1.93	6.27 ± 2.09	6.46 ± 2.54	< 0.001
Level C
Cortical index	1.52 ± 0.18	1.59 ± 0.18	1.58 ± 0.16	1.60 ± 0.17	1.61 ± 0.18	0.009
Lateral cortex	3.83 ± 1.44	4.86 ± 1.42	4.46 ± 1.72	5.09 ± 1.21	4.94 ± 1.59	< 0.001
Medial cortex	4.56 ± 1.65	5.37 ± 1.52	5.61 ± 1.98	5.89 ± 2.34	6.03 ± 2.86	0.002

* Greenhouser-Geisser correction test.