Table 4.

Uptake ratios and their percentage decreases compared with the initial ratios for the periods 3–6, 7–22 months, and more than 24 months in the ten zones of hip prostheses

Zone	3–6 months		7–22 months			More than 24 months			p value (Kruskal-Wallis)	Post hoc analysis
	Mean	SD	Mean	SD	Decrease (%)	Mean	SD	Decrease (%)
1	3.491	0.670	2.439	0.317	−30.142	1.616	0.673	−53.709	0.0023	1 > 2,3
2	2.454	0.663	2.184	0.473	−11.020	1.329	0.625	−45.853	0.0337	1,2 > 3
3	2.615	0.841	2.046	0.422	−21.793	1.422	0.420	−45.642	0.0227	1 > 3
4	3.170	0.744	1.660	0.362	−47.612	1.143	0.606	−63.954	0.0015	1 > 2,3
5	2.965	0.712	1.817	0.454	−38.851	1.437	0.660	−51.452	0.0019	1 > 2,3
6	2.260	0.495	2.048	0.572	−9.363	1.358	0.203	−39.915	0.0236	1,2 > 3
7	2.626	0.643	1.939	0.604	−26.152	1.099	0.231	−58.133	0.0074	1,2 > 3
8	2.362	0.535	1.944	0.667	−17.688	1.413	0.540	−40.171	0.058
9	3.038	0.362	1.834	0.331	−39.623	1.571	0.393	−48.286	0.0010	1 > 2,3
10	3.145	0.762	1.767	0.250	−43.809	1.174	0.462	−62.668	0.0008	1 > 2 > 3