Relationship between Serum Levels of OPG and TGF-β with Decreasing Rate of BMD in Native Chinese Women

Table 4

Multiple linear regression analysis of OPG, TGF-β1, and TGF-β2 with BDR at various skeletal sites in native Chinese women.

Dependent	OPG		TGF-β1		TGF-β2
	β	𝑅^2C (%)	β	𝑅^2C (%)	β	𝑅^2C (%)
PA-BDR	−0.179^a	2.9	0.309^a	13.3	—^b	—^b
FN-BDR	−0.127^a	1.4	0.190^a	5.3	—^b	—^b
Hip-BDR	−0.138^a	1.7	0.229^a	7.4	—^b	—^b
RUUD-BDR	−0.202^a	3.7	0.266^a	10.8	—^b	—^b

Serums OPG, TGF-β1, and TGF-β2 were independent variables; BDRs were dependent variables.
OPG: osteoprotegerin, TGF-β: transforming growth factor-beta, BDR: bone mineral density decrease rate, 𝑅²C: R square change, PA: posteroanterior spine, FN: femoral neck, Hip: total hip, and RUUD: radius + ulna ultradistal.
^a𝑃=0.012–0.000.
^bIndependent was excluded in this analysis.