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Seasonality of hip fracture and vitamin D deficiency persists in a sub‐tropical climate
Author(s) -
Lara Alvarez Sonia E.,
Bell Kate,
Ward Nicola,
Cooke Cameron,
Inder Warrick J.
Publication year - 2019
Publication title -
internal medicine journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.596
H-Index - 70
eISSN - 1445-5994
pISSN - 1444-0903
DOI - 10.1111/imj.14391
Subject(s) - medicine , vitamin d deficiency , tropical climate , confidence interval , seasonality , temperate climate , hip fracture , odds ratio , vitamin d and neurology , climatology , winter season , demography , osteoporosis , geography , ecology , archaeology , sociology , geology , biology
Both hip fractures and vitamin D (25‐hydroxyvitamin D (25‐OHD)) deficiency are more common in winter in regions with temperate climates, but few data exist for a sub‐tropical climate. In a South East Queensland tertiary hospital over a 7‐year period, there were significantly more hip fractures in winter than the other three seasons (analysis of variance P = 0.003), with associated higher frequency of 25‐OHD deficiency – 42.5% in winter compared to 28.5% in summer, odds ratio 1.86 (95% confidence interval 1.35–2.56), P = 0.0001. Seasonality of hip fracture and 25‐OHD deficiency occurs even in a sub‐tropical climate.