Low body temperature and mortality in older patients with frailty in the emergency department
Alakare, Janne; Kemp, Kirsi; Strandberg, Timo; Castrén, Maaret; Tolonen, Jukka; Harjola, Veli-Pekka (2022-03-01)
Alakare, J., Kemp, K., Strandberg, T. et al. Low body temperature and mortality in older patients with frailty in the emergency department. Aging Clin Exp Res 34, 1453–1457 (2022). https://doi.org/10.1007/s40520-022-02098-9
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https://urn.fi/URN:NBN:fi-fe2022090657665
Tiivistelmä
Abstract
Purpose: The aim of this study was to assess the association between low body temperature and mortality in frail older adults in the emergency department (ED).
Methods: Inclusion criteria were: ≥ 75 years of age, Clinical Frailty Scale (CFS) score of 4–8, and temperature documented at ED admission. Patients were allocated to three groups by body temperature: low ≤ 36.0 °C, normal 36.1–38.0 and high ≥ 38.1. Odds ratios (OR) for 30-day and 90-day mortality were analysed.
Results: 1577 patients, 61.2% female, were included. Overall mortalities were 85/1577 (5.4%) and 144/1557 (9.2%) in the 30-day and 90-day follow-ups, respectively. The ORs for low body temperature were 3.03 (1.72–5.35; P < 0.001) and 2.71 (1.68–4.38; P < 0.001) for 30-day and 90-day mortality, respectively. This association remained when adjusted for age, CFS score and gender. Mortality of the high-temperature group did not differ significantly when compared to the normal-temperature group.
Conclusions: Low body temperature in frail older ED patients was associated with significantly higher 30- and 90-day mortality.
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