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Original ArticleOpen Access
Prediction of Bone Mineral Density of Lumbar Spine, Hip, Femoral Neck and Ward's Triangle by Forearm Bone Mineral Density
WANNA TRIVITA Y ARATANA, M.D.*,
PI CHIT TRIVITA Y ARA TANA, M.Sc. *,
SURASAK KONGKIATIKUL, M.Sc.**
Bone mineral density (BMD) of dual energy X-ray absorptiometry (DEXA) at both
radius and ulna were measured to evaluate the correlation of those and BMD at lumbar
(L) spine, hip, femoral neck and Ward's triangle. The 64 simple linear regression
analysis was calculated to postulate the predicted equation by using the BMD at
supradistal, distal 1110, distal 116 and distal 113 of both forearms as independent variables,
while the dependent variables were BMD at Ll-L4 spine, total hip, femoral neck and Ward's
triangle. 115 patients aged between 41-79 years (mean age 55.97เธ‘8.34 years) from the
menopausal clinic, Pramongkutklao Hospital, were scanned at both forearms by Panasonic
(DXA-70) DEXA and at non forearm regions by Hologic (QDR 4500) DEXA on the same
day. The results showed that the BMD of each of the 4 parts of both radius and ulna had
positive correlation to those of L-spine, total hip, femoral neck and Ward's triangle
with r
=
0.4012 to 0.7032 (P
PI CHIT TRIVITA Y ARA TANA, M.Sc. *,
SURASAK KONGKIATIKUL, M.Sc.**
Bone mineral density (BMD) of dual energy X-ray absorptiometry (DEXA) at both
radius and ulna were measured to evaluate the correlation of those and BMD at lumbar
(L) spine, hip, femoral neck and Ward's triangle. The 64 simple linear regression
analysis was calculated to postulate the predicted equation by using the BMD at
supradistal, distal 1110, distal 116 and distal 113 of both forearms as independent variables,
while the dependent variables were BMD at Ll-L4 spine, total hip, femoral neck and Ward's
triangle. 115 patients aged between 41-79 years (mean age 55.97เธ‘8.34 years) from the
menopausal clinic, Pramongkutklao Hospital, were scanned at both forearms by Panasonic
(DXA-70) DEXA and at non forearm regions by Hologic (QDR 4500) DEXA on the same
day. The results showed that the BMD of each of the 4 parts of both radius and ulna had
positive correlation to those of L-spine, total hip, femoral neck and Ward's triangle
with r
=
0.4012 to 0.7032 (P
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