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Bone T-Scores and Functional Status: A Cross-Sectional Study on German Elderly

  • Background We explore the association between bone T-scores, used in osteoporosis diagnosis, and functional status since we hypothesized that bone health can impact elderly functional status and indirectly independence. Methods In a cross-sectional study (2005–2006) on community dwelling elderly (> = 75 years) from Herne, Germany we measured bone T-scores with Dual-energy X-ray Absorptiometry, and functional status indexed by five geriatric tests: activities of daily living, instrumental activities of daily living, test of dementia, geriatric depression score and the timed-up-and-go test, and two pooled indexes: raw and standardized. Generalized linear regression was used to determine the relationship between T-scores and functional status. Results From 3243 addresses, only 632 (19%) completed a clinical visit, of which only 440 (male∶female, 243∶197) could be included in analysis. T-scores (−0.99, 95% confidence interval [CI], −1.1–0.9) predicted activities of daily living (95.3 CI, 94.5–96.2), instrumental activities of daily living (7.3 CI, 94.5–96.2), and timed-up-and-go test (10.7 CI, 10.0–11.3) (P< = 0.05). Pooled data showed that a unit improvement in T-score improved standardized pooled functional status (15 CI, 14.7–15.3) by 0.41 and the raw (99.4 CI, 97.8–101.0) by 2.27 units. These results were limited due to pooling of different scoring directions, selection bias, and a need to follow-up with evidence testing. Conclusions T-scores associated with lower functional status in community-dwelling elderly. Regular screening of osteoporosis as a preventive strategy might help maintain life quality with aging.

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Metadaten
Author:Shoma Barbara BerkemeyerORCiD, Jochen Schumacher, Ulrich Thiem, Ludger Pientka
Title (English):Bone T-Scores and Functional Status: A Cross-Sectional Study on German Elderly
URN:urn:nbn:de:bsz:959-opus-37740
DOI:https://doi.org/10.1371/journal.pone.0008216
ISSN:1932-6203
Parent Title (English):PLoS ONE
Document Type:Working Paper
Language:English
Year of Completion:2009
Release Date:2023/01/06
Tag:ADL; Bone; Clinical; Cross-sectional; Dual-energy X-ray Absorptiometry; Elderly; Epidemiology; Functional Status; Geriatric depression score,; Geriatrics; IADL; Public Health; T-Scores; Test of dementia; Timed Up and Go Test
Volume:4
Issue:12
Article Number:e8216
Page Number:8
Faculties:Fakultät AuL
DDC classes:600 Technik, Medizin, angewandte Wissenschaften / 610 Medizin, Gesundheit
Review Status:Veröffentlichte Fassung/Verlagsversion
Licence (German):License LogoCreative Commons - CC BY - Namensnennung 4.0 International