Preoperative and Postoperative Bone Mineral Density Change and Risk Factor Analysis in Patients with a GH-Secreting Pituitary Adenoma

Table 2

BMD of the GH-secreting pituitary adenoma group and the nonfunctioning adenoma group.

	GH-secreting pituitary adenoma	Nonfunctioning pituitary adenoma
L1	1.107 ± 0.187	0.998 ± 0.124	0.006
L1-Z	0.433 ± 1.414	−0.186 ± 1.116	0.048
L2	1.159 ± 0.213	1.067 ± 0.132	0.032
L2-Z	0.310 ± 1.654	−0.190 ± 1.110	0.141
L3	1.228 ± 0.220	1.151 ± 0.134	0.078
L3-Z	0.562 ± 1.630	0.279 ± 1.234	0.419
L4	1.200 ± 0.227	1.149 ± 0.155	0.271
L4-Z	0.344 ± 1.720	0.231 ± 1.392	0.767
L1–L4	1.178 ± 0.208	1.097 ± 0.125	0.053
L1–L4-Z	0.418 ± 1.583	0.059 ± 1.150	0.282
L2–L4	1.197 ± 0.216	1.124 ± 0.131	0.092
L2–L4-Z	0.408 ± 1.642	0.128 ± 1.202	0.420
Femoral neck	1.034 ± 0.161	0.906 ± 0.133	0.001
Femoral neck-Z	0.882 ± 1.120	0.332 ± 0.796	0.022
Ward triangle	0.815 ± 0.165	0.723 ± 0.179	0.036
Ward triangle-Z	−0.023 ± 1.047	−0.232 ± 0.830	0.366
Trochanter	0.834 ± 0.141	0.746 ± 0.111	0.005
Trochanter-Z	0.346 ± 1.129	−0.082 ± 0.855	0.082
Femoral shaft	1.207 ± 0.206	1.118 ± 0.136	0.037
Total femora	1.034 ± 0.164	0.940 ± 0.119	0.008
Total femora-Z	0.531 ± 1.196	0.193 ± 0.787	0.168