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Positive Effects of a Sufficient Pre-fracture Serum Vitamin D Level on the Long-Term Survival of Hip Fracture Patients in Finland: A Minimum 11-Year Follow-Up.

Abstract：

BACKGROUND:Several studies have shown that the mortality of elderly hip fracture patients is higher than that in the general population, and is higher in male than in female hip fracture patients. OBJECTIVE:The objective of this study was to investigate factors affecting overall mortality at a minimum of 11 years following a new hip fracture. METHODS:The sex, age, pre-fracture serum 25-hydroxyvitamin D level, American Society of Anesthesiologists physical status classification (ASA class), 1- to 12-month mortality, and 2- to 11-year mortality of hip fracture patients were collected. The use of anti-osteoporotic medication and prescribed calcium and vitamin D supplements during the first 3 post-operative years were checked. The survival of the patients was analyzed using both the Bayesian multivariate analysis and the life table method. RESULTS:The mean age of females at the time of the index hip fracture was 80.5 years and of males was 73 years. The protective factors were age <80 years; ASA class 1-2; serum 25-hydroxyvitamin level ≥ 50 nmol/L; post-fracture use of calcium and vitamin D supplementation; post-fracture concomitant use of calcium and vitamin D supplementation and anti-osteoporotic drugs; and male sex. The excess mortality was higher among women than men. Survival was highest among patients with a vitamin D level of ≥ 50 nmol/L. Post-fracture concomitant use of calcium and vitamin D and anti-osteoporotic drugs was positively associated with survival. CONCLUSION:Our results indicate a positive relationship between a sufficient pre-fracture vitamin D serum concentration (≥ 50 nmol/L) and survival, and a potential relationship between reduced mortality and the concomitant post-fracture use of prescribed calcium plus vitamin D supplementation and anti-osteoporotic medication.

journal_name

Drugs Aging

journal_title

Drugs & aging

authors

Nurmi-Lüthje I,Lüthje P,Kaukonen JP,Kataja M

doi

10.1007/s40266-015-0267-8

subject

Has Abstract

pub_date

2015-06-01 00:00:00

pages

477-86

issue

eissn

1170-229X

issn

1179-1969

journal_volume

pub_type

杂志文章

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Positive Effects of a Sufficient Pre-fracture Serum Vitamin D Level on the Long-Term Survival of Hip Fracture Patients in Finland: A Minimum 11-Year Follow-Up.