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KMID : 0988920190170010070
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Intestinal Research
2019 Volume.17 No. 1 p.70 ~ p.77
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Vitamin D deficiency is associated with disease activity in patients with Crohn’s disease
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Ko Kyoung-Ho
Kim You-Sun
Lee Bo-Kyung
Choi Jong-Hyun
Woo Yong-Moon
Kim Jin-Young
Moon Jeong-Seop
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Abstract
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Background/Aims: Previous data suggest that vitamin D has a significant role in inflammatory bowel disease (IBD). We investigated the incidence of vitamin D deficiency in Korean patients with IBD and the correlation between serum vitamin D level and disease activity.
Methods: We retrospectively analyzed the medical records of patients with IBD whose serum vitamin D levels were checked. Deficiency of 25-hydroxyvitamin D was defined as <20 ng/mL. Disease activity was evaluated using the partial Mayo score for ulcerative colitis (≥2 defined as active disease) and Harvey-Bradshaw index for Crohn’s disease (≥4 defined as active disease).
Results: We enrolled 87 patients with IBD (ulcerative colitis [UC], 45; Crohn’s disease [CD], 42). Among them, 65.5% (57/87) were men, with a mean age of 44.9±15.1 years (range, 18?75 years). The mean duration of disease was 4.7±4.8 years (range, 0.1?17.1 years). Vitamin D deficiency was found in 73.6% (64/87) of patients with IBD. Patients with IBD (mean vitamin D level, 16.3±9.0 ng/mL) showed lower vitamin D level than the healthy control group (mean vitamin D level, 20.4±7.0 ng/mL), with no statistically significant difference (P=0.136). Disease activity was inversely correlated with vitamin D deficiency in patients with CD (P=0.007). However, no correlation was observed in patients with UC (P=0.134).
Conclusions: Approximately 75% of Korean patients with IBD showed vitamin D deficiency state. Vitamin D deficiency is associated with disease activity, particularly in patients with CD.
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KEYWORD
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Inflammatory bowel diseases, Vitamin D deficiency, Disease activity
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