Fragility Fractures in Older People in Japan Based on the National Health Insurance Claims Database

Fragility fractures associated with age-related bone loss are of urgent concern worldwide because they reduce QOL and pose financial burdens for health care services. Currently, national data in Japan are limited. This study provides quantitative data for older patients throughout Japan who, althoug...

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Bibliographic Details
Published in:Biological & pharmaceutical bulletin 2019/05/01, Vol.42(5), pp.778-785
Main Authors: Iihara, Naomi, Ohara, Eri, Bando, Yoshinori, Yoshida, Tomoji, Ohara, Masaki, Kirino, Yutaka
Format: Article
Language:English
Subjects:
Age
Bone loss
epidemiology
Females
femoral fracture
Femur
fracture
Fractures
Fragility
Health insurance
Health policy
Hospitalization
Humerus
Insurance claims
Males
older
Older people
Osteoporosis
Radius
Spine
Vertebrae
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Summary:Fragility fractures associated with age-related bone loss are of urgent concern worldwide because they reduce QOL and pose financial burdens for health care services. Currently, national data in Japan are limited. This study provides quantitative data for older patients throughout Japan who, although otherwise relatively healthy, sustained fragility fractures and were hospitalized for them. The National Database of Health Insurance Claims and Specific Health Checkups of Japan was accessed to target patients aged 65 years or older who sustained fractures between May 2013 and September 2014 and were not hospitalized for at least 13 months prior to fracture. We investigated whether the first fracture sustained was fragility related at any of four locations (proximal humerus, distal radius, vertebra, or femoral neck) and whether it necessitated hospitalization. Fragility fractures were identified in 490138 of 1188754 patients (41.2%, 345980 patients/year; 1 : 4 male-to-female ratio). Regardless of gender, vertebral fractures were most common across the age cohorts studied (43286 males and 162767 females/year), and femoral neck fractures increased markedly with increased patient age. Approximately 80% of patients with femoral neck fractures were hospitalized (62.3% of males, 71.1% of females) compared with up to 10.4% of patients with other fragility fractures. Data provided in this study can be used as a baseline for evaluating the health economy and establishing health policy in Japan.
ISSN:0918-6158
1347-5215
DOI:10.1248/bpb.b18-00974