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Table 2 Comparison of serum tumor marker levels between benign and malignant nodules

From: Combining serum miRNAs, CEA, and CYFRA21-1 with imaging and clinical features to distinguish benign and malignant pulmonary nodules: a pilot study

Serum tumor marker Benign lung nodules group (n = 19) Malignant lung nodules group (n = 20) P value
CYFRA21-1 (ng/ml) 1.90 ± 0.77 4.39 ± 4.91 <0.001
NSE (ng/ml) 17.30 ± 4.39 15.95 ± 4.02 0.324
CEA (ng/ml) 1.08 ± 0.68 2.37 ± 1.97 0.026
miRNA-21-5p 1.99 ± 2.80 6.63 ± 14.40 0.002
miRNA-574-5p 2.59 ± 2.92 86.75 ± 288.25 0.047
  1. Date are presented as means ± SDs. P < 0.05 was considered statistically significant