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Serum folic acid levels in patients with LSCC and healthy controls.
| Group | n | Folic acid (ng/ml) |
|---|---|---|
| Healthy controls | 30 | 4.40±1.47a |
| Patients with LSCC | 60 | 3.35±1.51 |
Data are presented as the mean ± standard deviation.
P=0.002. n, number of patients; LSCC, laryngeal squamous cell carcinoma.
