Serum 25-hydroxyvitamin D3 levels and flares of systemic lupus erythematosus: a longitudinal cohort analysis

Clinical Rheumatology
Chi Chiu MokPaul J Jannetto

Abstract

The aim of this study is to evaluate the relationship between baseline serum 25-hydroxyvitamin D3 levels and SLE activity/flares over time. This is a longitudinal study of 276 patients who fulfilled ≥ 4 ACR criteria for SLE and recruited in the year 2011. Serum samples were collected at baseline and assayed for 25-hydroxyvitamin D3 at the end of a mean follow-up of 32.5 months. Participants were stratified into three groups according to baseline 25-hydroxyvitamin D3 levels: group I (< 15 ng/ml, deficiency), group II (15-30 ng/ml, insufficiency), and group III (> 30 ng/ml, adequate). Baseline and summated SLE disease activity index (SLEDAI) score over time and the annual incidence of lupus flares were compared among these groups. 25-hydroxyvitamin D3 levels of < 15, 15-30, and > 30 ng/ml were present in 26, 54, and 20% of the recruited patients, respectively. Group I had significantly higher baseline SLEDAI scores. After a follow-up of 32.5 ± 5.5 months, 153 mild/moderate and 91 severe flares developed. The mean summated SLEDAI was 3.2 ± 2.0 in group I, 2.4 ± 1.9 in group II and 2.7 ± 2.1 in group III patients (P = 0.02). The annual incidence of mild/moderate and severe flares was 0.26 ± 0.39 and 0.20 ± 0.45 (group I); 0.20 ± 0....Continue Reading

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Citations

May 2, 2020·Nutrients·Pieter-Jan MartensAnd Chantal Mathieu
Oct 7, 2018·Zeitschrift für Rheumatologie·S FinzelR E Voll
Aug 3, 2021·International Journal of General Medicine·Rbab TahaAltaf Abdulkhaliq

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