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TL;DR
Patients with lung cancer had higher serum vitamin B6 levels than those with benign lung nodules, and patients with intrapulmonary metastases had higher levels than non-metastatic patients.
Nutrients · 8 authors, 4 centres
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Patients with lung cancer had higher serum vitamin B6 levels than those with benign lung nodules, and patients with intrapulmonary metastases had higher levels than non-metastatic patients.
Patients with lung cancer had higher serum vitamin B6 levels than those with benign lung nodules, and patients with intrapulmonary metastases had higher levels than non-metastatic patients. A stronger risk association was observed in women, current smokers, current drinkers, patients with squamous cell carcinoma, tumors 1–3 cm in diameter, and solitary tumors. The authors concluded that vitamin B6 did not qualify as a useful individual-level biomarker due to weak associations and wide confidence intervals. Limitations include the retrospective design, potentially insufficient nutritional data, and lack of clear cause-and-effect determination.