Table 4. Comparison of two groups of BMD and abnormal rates.

	Controls	Donors	P-value
Total	276	277	–
BMD-related indicators
Lumbar spine L1–L4 BMD (g/cm $\stackrel{ˆ}{}$2)	0.96 ± 0.15	0.99 ± 0.13	0.20
Lumbar spine T-score	−1.9 ± 1.2	−1.73 ± 1.04	0.31
Left femoral neck BMD (g/cm $\stackrel{ˆ}{}$2)	0.83 ± 0.2	0.87 ± 0.13	0.06
Left femoral neck T-score	−1.48 ± 0.95	−1.26 ± 0.98	0.11
Right femoral neck BMD (g/cm $\stackrel{ˆ}{}$2)	0.83 ± 0.14	0.86 ± 0.19	0.35
Right femoral neck T-score	−1.43 ± 0.99	−1.29 ± 1.00	0.34
Radius BMD (g/cm $\stackrel{ˆ}{}$2)	0.56 ± 0.23	0.55 ± 0.25	0.77
Radius T-score	−2.44 ± -2.67	−2.67 ± 2.01	0.28
BMD-related abnormal rates
Prevalence of osteoporosis	47.46% (131/276)	50.54% (140/277)	0.469
Low bone mass rate	32.97% (91/276)	32.13% (89/277)	0.833