Table 3.

Changes in the BMD in the ANATO group.

Gruen zones	Pre-Iqx	Post-Iqx Reference	3 mo	6 mo	1 y
Zone 1	967	936	916	959	957
Variation			−2.2%	+2.4%	+2.2%
SD	200	164.9	178	202	212
Max-min	523-1617	611-1372	447-1427	419-1421	407-1424
P			.239	.400	.673
Zone 2	1913	1856	1809	1871	1895
Variation			−2.6%	+0.9%	+2.1%
SD	295	256	262	259	258
Max-min	1010-2315	1305-2396	1145-2459	1176-2335	1336-2713
P			.228	.930	.318
Zone 3	2210	2194	2085	2172	2177
Variation			−5%	−1.1%	−0.8%
SD	281	281	281	287	277
Max-min	1331-2467	1570-2839	1325-2659	1463-2872	1501-2790
P			.061	.266	.249
Zone 4	2122	2105	2030	2058	2080
Variation			−3.6%	−2.7%	−1.2%
SD	273	296	294	291	295
Max-min	1489-2750	1488-2835	1345-2659	1382-2607	1459-2791
P			.131	.119	.165
Zone 5	2161	2140	2042	2095	2106
Variation			−4.6%	−2.1%	−1.6%
SD	305	285	301	299	306
Max-min	1267-2692	1458-2647	1317-2593	1430-2619	1480-2739
P			.101	.125	.168
Zone 6	1780	1683	1649	1719	1774
Variation			−2.1%	+2.1%	+5.2%
SD	284	348	265	257	262
Max-min	1002-2248	1478-2374	879-2264	1201-2400	1234-2338
P			.434	.216	.057
Zone 7	1432	1400	1263	1313	1318
Variation			−9.8%	−6.3%	−5.9%
SD	201	212	218	258	248
Max-min	790-1717	1028-2045	491-1843	761-2002	670-1904
P			.001	.002	.005

Pre-Ipx, pre-operative; Post-Iqx, post-operative (reference value).

Bold values indicates the statistical significance.