Fig. 1From: Factors affecting spine–femur discordance in the percentage of young adult mean on dual-energy X-ray absorptiometry in the elderly population: a retrospective studyDiscordance in the percentage of YAM (percentage of YAM at LS minus percentage of YAM at FN) was categorized according to the following thresholds: <− 10% (group A); ≥ − 10 to < 10% (group B); and ≥ 10% (group C). YAM, young adult mean; LS, lumbar spine; FN, femoral neckBack to article page