Table 2.

Comparison of biochemical indexes related to BMD and bone metabolism before and after treatment

Factors	SG (n=63)		t	P	CG (n=54)		t	P
	Before treatment	After treatment			Before treatment	After treatment
Serum phosphorus (mmol/L)	1.03±0.12	1. 46±0.22	13.619	< 0.001	1. 06±0.15	1.22 ±0.21a	4.556	< 0.001
Blood calcium (mmol/L)	2.61±0.48	2. 23±0.15	5.998	< 0.001	2.59±0.58	2.38±0.29a	2.380	0.019
BALP (mmol/L)	12.95±2.43	19.12±3.20	12.188	< 0.001	13.13±2.21	16.42±2.63a	7.037	< 0.001
TRACP-5b (U·L-1)	9.04±2.19	4.84±1.06	13.702	< 0.001	8.96±1.95	6.12±1.26a	8.989	< 0.001
Osteocalcin (ng·ml-1)	6.55±1.41	9.43±2.85	7.189	< 0.001	6.67±1.39	8.20±2.05a	4.539	< 0.001
Femoral neck BMD	0.858±0.130	0.967±0.145	4.442	< 0.001	0.858±0.121	0.859±0.135a	0.041	0.968
W triangle bone mineral density	0.751±0.159	0.875±0.153	4.460	< 0.001	0.755±0.122	0.765±0.132a	0.409	0.683
L2-4 bone mineral density	0.868±0.118	1.022±0.137	6.760	< 0.001	0.862±0.139	0.866±0.118a	0.161	0.872

^ameans the comparison with the SG after treatment, P < 0.05.