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Titolo:
RISK OF UNDERESTIMATION OF THE BONE-MINERAL DENSITY OF PROXIMAL FEMUR
Autore:
YANG RS; TSAI KS; LIU TK; CHIENG PU; DOREY FJ;
Indirizzi:
NATL TAIWAN UNIV HOSP,DEPT ORTHOPAED SURG,7 CHUNG SHAN S RD TAIPEI TAIWAN NATL TAIWAN UNIV,COLL MED,DEPT ORTHOPAED TAIPEI 10764 TAIWAN NATL TAIWAN UNIV,COLL MED,DEPT LAB MED TAIPEI 10764 TAIWAN NATL TAIWAN UNIV,COLL MED,DEPT RADIOL TAIPEI 10764 TAIWAN UNIV CALIF LOS ANGELES,SCH MED,DEPT ORTHOPAED SURG LOS ANGELES CA 00000
Titolo Testata:
Bone
fascicolo: 3, volume: 20, anno: 1997,
pagine: 295 - 300
SICI:
8756-3282(1997)20:3<295:ROUOTB>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
DUAL-PHOTON-ABSORPTIOMETRY; DIFFERENT SKELETAL SITES; X-RAY ABSORPTIOMETRY; HIP FRACTURE; SPINE; OSTEOPOROSIS; WOMEN; DIMINUTION; JAPANESE; FEMALES;
Keywords:
BONE MINERAL DENSITY; DUAL PHOTON ABSORPTIOMETRY; HIP FRACTURE; OSTEOPOROSIS; T SCORE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
R.S. Yang et al., "RISK OF UNDERESTIMATION OF THE BONE-MINERAL DENSITY OF PROXIMAL FEMUR", Bone, 20(3), 1997, pp. 295-300

Abstract

Decreased bone mineral density (BMD) in the elderly increases the risk of hip fracture, Measurement of proximal femoral BMD can help us predict the risk of hip fracture, especially in the elderly, Since the BMD of proximal femur is usually measured on the unilateral side, we studied the risk of underestimation with measurement of unilateral proximal femur BMD in 266 normal Chinese women, In order to evaluate the effect of age, these subjects were divided into group A (18-59 years, n =189) and group B (60-88 years, n = 77), BMDs of both proximal femurs were assessed with Norland 2600 dual photon absorptiometry, Using a cutoff T score of -1, the negative predictive value (NPV) in the entire group was 86.9% for femoral neck BMD and 85.7% for trochanter, and 82.2 % for Ward's triangle: in group A, the NPV was 88.9% for femoral neck, 88.8% for trochanter, and 97.2% for Ward's triangle, but in group B, the NPV was 60.0% for femoral neck, 71.0% for trochanter, and 24.1% for Ward's triangle, The accuracy in the entire group was 86.1% for femoral neck, 84.2% for trochanter, and 86.3% for Ward's triangle: in group A the accuracy was 84.6% for femoral neck, 84.9% for trochanter, and 92.8% for Ward's triangle, but in group B, the accuracy was 89.6% for femoral neck, 81.7% for trochanter, and 90.0% for Ward's triangle, In general, NPV and accuracy increased at the expense of positive predictive value when the cutoff T score was changed to -2.5, This study suggested that measurement of unilateral proximal femur BMD was sufficient for screening the contralateral hip BMD in group A at a cutoff T score of -1, However, a T score of -2.5 was recommended for group B, and one should be careful in its application to Ward's triangle. (C) 1997 by Elsevier Science Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/11/20 alle ore 18:38:53