Prevalence and Predictive Factors for Regional Osteopenia in Women with Anorexia Nervosa

Overview

Journal Ann Intern Med

Specialty General Medicine

Date 2000 Nov 21

PMID 11085841

Citations 124

Authors

S Grinspoon

E Thomas

S Pitts

E Gross

D Mickley

K Miller

D Herzog

A Klibanski

Affiliations

Soon will be listed here.

Abstract

Background: Anorexia nervosa is highly prevalent among young women.

Objective: To determine prevalence and predictive factors for regional bone loss.

Design: Prospective cohort analysis.

Setting: University hospital.

Patients: 130 women with anorexia nervosa.

Measurements: Dual-energy x-ray absorptiometry.

Results: The prevalence of osteopenia (-1.0 SD >/= T-score > -2.5 SD) and osteoporosis (T-score </= -2.5 SD) was 50% and 13% for the anterior-posterior spine, 57% and 24% for the lateral spine, and 47% and 16% for the total hip, respectively. Bone mineral density (BMD) was reduced by at least 1.0 SD at one or more skeletal sites in 92% of patients and by at least 2.5 SD in 38% of patients. Weight was the most consistent predictor of BMD at all skeletal sites. Twenty-three percent of patients were current estrogen users, and 58% were previous estrogen users. Bone mineral density did not differ by history of estrogen use at any site.

Conclusions: Bone mineral density is reduced at several skeletal sites in most women with anorexia nervosa. Weight, but not estrogen use, is a significant predictor of BMD in this population at all skeletal sites.

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