BMJ supportive & palliative care · 2026
Thiamine deficiency in outpatients at a regional cancer centre in Japan: cross-sectional observational study.
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Yoshioka Akira, Ishida Mayumi, Uchida Nozomu, Onishi Hideki, Sato Izumi
Аннотация
OBJECTIVE: To examine the prevalence of thiamine deficiency and its potential risk factors in cancer outpatients.
METHODS: A cross-sectional study of cancer outpatients aged ≥20 years at a regional hospital in Kyoto, Japan (January-February 2022). Thiamine deficiency was defined as ≤23 ng/mL by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Multivariable logistic regression was used to estimate ORs and 95% CIs for potential risk factors for thiamine deficiency.
RESULTS: A total of 106 patients were included in this study (mean age 68.3 years, 61% female). Of the 106 patients, 27 (25.5%) had low thiamine levels despite the absence of recognised deficiency symptoms. In multivariable logistic regression analysis, the adjusted OR was 4.05 (95% CI 0.88 to 18.60).
CONCLUSIONS: The prevalence of thiamine deficiency was 25.5% among cancer outpatients without recognised symptoms. An association between low dietary intake and thiamine deficiency was suggested, though further large-scale studies are needed to confirm risk factors and guide management strategies.
METHODS: A cross-sectional study of cancer outpatients aged ≥20 years at a regional hospital in Kyoto, Japan (January-February 2022). Thiamine deficiency was defined as ≤23 ng/mL by liquid chromatography-tandem mass spectrometry (LC-MS/MS). Multivariable logistic regression was used to estimate ORs and 95% CIs for potential risk factors for thiamine deficiency.
RESULTS: A total of 106 patients were included in this study (mean age 68.3 years, 61% female). Of the 106 patients, 27 (25.5%) had low thiamine levels despite the absence of recognised deficiency symptoms. In multivariable logistic regression analysis, the adjusted OR was 4.05 (95% CI 0.88 to 18.60).
CONCLUSIONS: The prevalence of thiamine deficiency was 25.5% among cancer outpatients without recognised symptoms. An association between low dietary intake and thiamine deficiency was suggested, though further large-scale studies are needed to confirm risk factors and guide management strategies.