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1.
Front Nutr ; 9: 806887, 2022.
Article in English | MEDLINE | ID: mdl-35495921

ABSTRACT

Background: In this study, we enrolled 862 patients with Crohn's disease (CD) in China to investigate the correlation between serum vitamin D (SVD) and serum lipids, inflammatory biomarkers, and important clinical parameters. Materials and Methods: 25(OH)D was measured by LS/MS/MS. Correlation analysis, chi-square tests, and logistic regression analysis were performed to determine the correlations between vitamin D and potential risk factors when vitamin D levels were lower than 10 ng/mL or 20 ng/mL. Results: The incidence of severe vitamin D deficiency (SVD < 10 ng/mL) in patients with CD was significantly higher than that in healthy controls (28.9 vs. 9.5%). Multinomial logistic regression analysis showed that penetrating disease [odds ratio (OR) = 2.18], low levels of high-density lipoprotein cholesterol (HDL) (OR = 1.91), high erythrocyte sedimentation rate (OR = 1.73), and platelet count (PLT) (OR = 2.71) were regarded as predictors of severe vitamin D deficiency, while only PLT (OR = 1.90) and HDL (OR = 1.76) were considered as predictors of mild vitamin D deficiency (SVD 10-20 ng/mL). Conclusion: Our results confirm a higher incidence of severe vitamin D deficiency in patients with CD in China and show that vitamin D deficiency could result from the combined effects of penetrating disease, inflammation, and low levels of HDL.

2.
Clin Lab ; 59(7-8): 813-7, 2013.
Article in English | MEDLINE | ID: mdl-24133910

ABSTRACT

BACKGROUND: CA 19-9 is one of the most frequently used biomarkers for tumors. METHODS: We analyzed the influential factors of the Carbohydrate Antigen 19-9 (CA 19-9) levels in Chinese general population to better interpret the results of the CA 19-9 screening tests. 36,924 apparently healthy individuals and 1,335 patients with gastrointestinal (GI) tumors were involved in this study. Serum CA 19-9 levels were measured using a Roche Cobas E601. RESULTS: The serum CA 19-9 levels in apparently healthy individuals were correlated with age and gender. Its level was positively correlated with the age of males, while it showed a V-shape curve in female populations. This effect could be due to sex hormones, such as prolactin, which were found to have a negative effect on the level of CA 19-9 in the present study. CONCLUSIONS: Our data indicates that gender and age could affect the CA19-9 serum level. We can set up different cut-off values according to the patient's gender and age, which can help us to get a more individualized representation in different populations.


Subject(s)
Biomarkers, Tumor/blood , CA-19-9 Antigen/blood , Adolescent , Adult , Aged , China , Female , Humans , Male , Middle Aged , Young Adult
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