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Differences in bone mineral density between the right and left hips in postmenopausal women.

Hwang HJ, Park SY, Lee SH, Han SB, Ro KH - J. Korean Med. Sci. (2012)

Bottom Line: The BMDs of the femoral neck and trochanter were significantly different between both hips (P < 0.05).The discordance rates were about 30%.Due to significant differences in BMD between both hips at the femoral neck and trochanter and high discordance rate, bilateral hip measurements using DEXA are recommended to avoid underestimating osteoporosis.

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopedic Surgery, Korea University College of Medicine, Korea University Hospital, Seoul, Korea.

ABSTRACT
Bone mineral density (BMD) using dual energy radiography absorptiometry are commonly used for the diagnosis of osteoporosis. It is usually measured at the spine and also at one hip joint. Controversy still exists regarding the use of bilateral hip scanning. We analyzed the difference of BMD at bilateral hips in 384 postmenopausal women, retrospectively. The concordance and discordance rates of the lowest T-score and BMD between both hips were evaluated. The BMDs of the femoral neck and trochanter were significantly different between both hips (P < 0.05). There were also discrepancies between the lowest T-scores of both hips (P < 0.05). The discordance rates were about 30%. Due to significant differences in BMD between both hips at the femoral neck and trochanter and high discordance rate, bilateral hip measurements using DEXA are recommended to avoid underestimating osteoporosis.

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Related in: MedlinePlus

Box and whisker plot. A box-whisker plot, based on Table 2, that shows median values, interquartile range, spread, and outlying values for the lowest T-scores in the three groups. There are differences of interquartile range at each group. The median values are increasing with the increasing of BMI.
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Figure 1: Box and whisker plot. A box-whisker plot, based on Table 2, that shows median values, interquartile range, spread, and outlying values for the lowest T-scores in the three groups. There are differences of interquartile range at each group. The median values are increasing with the increasing of BMI.

Mentions: When included as a BMI covariate, ANCOVA indicated that the lowest T-scores differed significantly between the right and left hips (P = 0.018). Other covariates, age, height, and weight did not have a significant influence on T-score in ANCOVA. The values shown in Table 2 represent the means ± SDs and distributions of the lowest T-scores assigned to each BMI group. Fig. 1 is a box-whisker plot based on Table 2 that shows median values, interquartile range, spread, and outlying values for the lowest T-scores in the three groups. As BMI increased, the median T-score value increased.


Differences in bone mineral density between the right and left hips in postmenopausal women.

Hwang HJ, Park SY, Lee SH, Han SB, Ro KH - J. Korean Med. Sci. (2012)

Box and whisker plot. A box-whisker plot, based on Table 2, that shows median values, interquartile range, spread, and outlying values for the lowest T-scores in the three groups. There are differences of interquartile range at each group. The median values are increasing with the increasing of BMI.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3369457&req=5

Figure 1: Box and whisker plot. A box-whisker plot, based on Table 2, that shows median values, interquartile range, spread, and outlying values for the lowest T-scores in the three groups. There are differences of interquartile range at each group. The median values are increasing with the increasing of BMI.
Mentions: When included as a BMI covariate, ANCOVA indicated that the lowest T-scores differed significantly between the right and left hips (P = 0.018). Other covariates, age, height, and weight did not have a significant influence on T-score in ANCOVA. The values shown in Table 2 represent the means ± SDs and distributions of the lowest T-scores assigned to each BMI group. Fig. 1 is a box-whisker plot based on Table 2 that shows median values, interquartile range, spread, and outlying values for the lowest T-scores in the three groups. As BMI increased, the median T-score value increased.

Bottom Line: The BMDs of the femoral neck and trochanter were significantly different between both hips (P < 0.05).The discordance rates were about 30%.Due to significant differences in BMD between both hips at the femoral neck and trochanter and high discordance rate, bilateral hip measurements using DEXA are recommended to avoid underestimating osteoporosis.

View Article: PubMed Central - PubMed

Affiliation: Department of Orthopedic Surgery, Korea University College of Medicine, Korea University Hospital, Seoul, Korea.

ABSTRACT
Bone mineral density (BMD) using dual energy radiography absorptiometry are commonly used for the diagnosis of osteoporosis. It is usually measured at the spine and also at one hip joint. Controversy still exists regarding the use of bilateral hip scanning. We analyzed the difference of BMD at bilateral hips in 384 postmenopausal women, retrospectively. The concordance and discordance rates of the lowest T-score and BMD between both hips were evaluated. The BMDs of the femoral neck and trochanter were significantly different between both hips (P < 0.05). There were also discrepancies between the lowest T-scores of both hips (P < 0.05). The discordance rates were about 30%. Due to significant differences in BMD between both hips at the femoral neck and trochanter and high discordance rate, bilateral hip measurements using DEXA are recommended to avoid underestimating osteoporosis.

Show MeSH
Related in: MedlinePlus