Table 3.

Young reference values for spine bone mineral density (Sbmd) and femoral neck bone mineral density (Fnbmd) in different population and ethnic groups.

	Sbmd	Fnbmd
Singapore (20–29 y)	1.176 ± 0.121 (Lee et al., 1997)	1.052 ± 0.119 (Lee et al., 1997)
Korean (20–29 y)	0.999 ± 0.140 (Park et al., 2014)	0.911 ± 0.168 (Park et al., 2014)
European (19–30 y)	1.112 ± 0.150 (Kaptoge et al., 2008)	0.974 ± 0.159 (Kaptoge et al., 2008)
Americans (20–29 y)	1.055 ± 0.119 (Looker et al., 2012)	0.934 ± 0.137 (Looker et al., 1998)
Australian (20–29)		0.934 ± 0.133 (Henry et al., 2010)