Impact of femoral neck and lumbar spine BMD discordances on FRAX probabilities in women: A meta-analysis of international cohorts
Abstract
There are occasional marked discordances in BMD T-scores at the lumbar spine (LS) and femoral neck (FN). We investigated whether such discordances could contribute independently to fracture prediction using FRAX. In this paper, we studied 21,158 women, average age 63 years, from 10 prospective cohorts with baseline FRAX variables as well as FN and LS BMD. Incident fractures were collected by self-report and/or radiographic reports. Extended Poisson regression examined the relationship between differences in LS and FN T-scores (ΔLS–FN) and fracture risk, adjusted for age, time since baseline and other factors including FRAX 10-year probability for major osteoporotic fracture calculated using FN BMD. To examine the effect of an adjustment for ΔLS–FN on reclassification, women were separated into risk categories by their FRAX major fracture probability. High risk was classified using two approaches: being above the National Osteoporosis Guideline Group intervention threshold or, separately, being in the highest third of each cohort. The absolute ΔLS–FN was greater than 2 SD for 2.5 % of women and between 1 and 2 SD for 21 %. ΔLS–FN was associated with a significant risk of fracture adjusted for baseline FRAX (HR per SD change = 1.09; 95 % CI = 1.04–1.15). In reclassificationmore »
- Authors:
-
- Univ. of Sheffield, Sheffield (United Kingdom)
- Consulting Statistician, Gothenburg (Sweden)
- Univ. of Manitoba, Winnipeg (Canada)
- Hiroshima Atomic Bomb Casualty Council, Hiroshima (Japan)
- Univ. Schleswig-Holstein (Germany)
- Kuopio Univ. Hospital, Kuopio (Finland); Univ. of Eastern Finland, Joensuu (Finland)
- Fred Hutchinson Cancer Research Center, Seattle, WA (United States)
- Center for Clinical and Basic Research (CCBR), Hong Kong (Hong Kong)
- Mayo Clinic, Rochester, MN (United States)
- Univ. of Notre Dame Australia, Sydney (Australia)
- Univ. of Manchester, Manchester (United Kingdom)
- McGill Univ., Montreal, QC (Canada)
- School of Medicine & Dentistry, Medical School, Aberdeen (Scotland)
- Publication Date:
- Research Org.:
- Univ. of Sheffield, Sheffield (United Kingdom)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1343257
- Grant/Contract Number:
- HS0000031
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Calcified Tissue International
- Additional Journal Information:
- Journal Volume: 95; Journal Issue: 5; Journal ID: ISSN 0171-967X
- Publisher:
- Springer
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 60 APPLIED LIFE SCIENCES; FRAX; BMD; discordance; reclassification; fracture risk
Citation Formats
Johansson, H., Kanis, J. A., Oden, A., Leslie, W. D., Fujiwara, S., Gluer, C. C., Kroger, H., LaCroix, A. Z., Lau, E., Melton, L. J., Eisman, J. A., O’Neill, T. W., Goltzman, D., Reid, D. M., and McCloskey, E. Impact of femoral neck and lumbar spine BMD discordances on FRAX probabilities in women: A meta-analysis of international cohorts. United States: N. p., 2014.
Web. doi:10.1007/s00223-014-9911-2.
Johansson, H., Kanis, J. A., Oden, A., Leslie, W. D., Fujiwara, S., Gluer, C. C., Kroger, H., LaCroix, A. Z., Lau, E., Melton, L. J., Eisman, J. A., O’Neill, T. W., Goltzman, D., Reid, D. M., & McCloskey, E. Impact of femoral neck and lumbar spine BMD discordances on FRAX probabilities in women: A meta-analysis of international cohorts. United States. https://doi.org/10.1007/s00223-014-9911-2
Johansson, H., Kanis, J. A., Oden, A., Leslie, W. D., Fujiwara, S., Gluer, C. C., Kroger, H., LaCroix, A. Z., Lau, E., Melton, L. J., Eisman, J. A., O’Neill, T. W., Goltzman, D., Reid, D. M., and McCloskey, E. Thu .
"Impact of femoral neck and lumbar spine BMD discordances on FRAX probabilities in women: A meta-analysis of international cohorts". United States. https://doi.org/10.1007/s00223-014-9911-2. https://www.osti.gov/servlets/purl/1343257.
@article{osti_1343257,
title = {Impact of femoral neck and lumbar spine BMD discordances on FRAX probabilities in women: A meta-analysis of international cohorts},
author = {Johansson, H. and Kanis, J. A. and Oden, A. and Leslie, W. D. and Fujiwara, S. and Gluer, C. C. and Kroger, H. and LaCroix, A. Z. and Lau, E. and Melton, L. J. and Eisman, J. A. and O’Neill, T. W. and Goltzman, D. and Reid, D. M. and McCloskey, E.},
abstractNote = {There are occasional marked discordances in BMD T-scores at the lumbar spine (LS) and femoral neck (FN). We investigated whether such discordances could contribute independently to fracture prediction using FRAX. In this paper, we studied 21,158 women, average age 63 years, from 10 prospective cohorts with baseline FRAX variables as well as FN and LS BMD. Incident fractures were collected by self-report and/or radiographic reports. Extended Poisson regression examined the relationship between differences in LS and FN T-scores (ΔLS–FN) and fracture risk, adjusted for age, time since baseline and other factors including FRAX 10-year probability for major osteoporotic fracture calculated using FN BMD. To examine the effect of an adjustment for ΔLS–FN on reclassification, women were separated into risk categories by their FRAX major fracture probability. High risk was classified using two approaches: being above the National Osteoporosis Guideline Group intervention threshold or, separately, being in the highest third of each cohort. The absolute ΔLS–FN was greater than 2 SD for 2.5 % of women and between 1 and 2 SD for 21 %. ΔLS–FN was associated with a significant risk of fracture adjusted for baseline FRAX (HR per SD change = 1.09; 95 % CI = 1.04–1.15). In reclassification analyses, only 2.3–3.2 % of the women moved to a higher or lower risk category when using FRAX with ΔLS–FN compared with FN-derived FRAX alone. Adjustment of estimated fracture risk for a large LS/FN discrepancy (>2SD) impacts to a large extent on only a relatively small number of individuals. More moderate (1–2SD) discordances in FN and LS T-scores have a small impact on FRAX probabilities. Finally, this might still improve clinical decision-making, particularly in women with probabilities close to an intervention threshold.},
doi = {10.1007/s00223-014-9911-2},
journal = {Calcified Tissue International},
number = 5,
volume = 95,
place = {United States},
year = {Thu Sep 04 00:00:00 EDT 2014},
month = {Thu Sep 04 00:00:00 EDT 2014}
}
Web of Science
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