Research Article
Comparison of Serum MicroRNA21 and Tumor Markers in Diagnosis of Early Non-Small Cell Lung Cancer
Table 2
Correlation between clinical features and serum miR21, CEA, NSE, and CYFRA21-1 levels of NSCLC patients.
| Clinical feature | Variable | n | CEA (ng/mL) | NSE (ng/mL) | CYFRA21-1 (ng/mL) | miR21 (arbitrary units) |
| Gender | Male | 38 | 33.13 ± 20.25 | 22.38 ± 13.45 | 12.65 ± 9.84 | 2.04 ± 1.19 | Female | 12 | 44.88 ± 14.96 | 27.71 ± 9.80 | 13.78 ± 6.79 | 2.49 ± 0.94 |
| | | | | | | | | | | 0.070 | 0.212 | 0.712 | 0.240 |
| Age | >60 | 21 | 38.22 ± 19.80 | 25.90 ± 13.62 | 15.70 ± 9.58 | 2.23 ± 1.14 | ≤60 | 29 | 34.30 ± 19.70 | 22.03 ± 12.13 | 10.90 ± 8.42 | 2.08 ± 1.16 |
| | | | 0.692 | 1.059 | 1.878 | 0.461 | | | | 0.492 | 0.295 | 0.066 | 0.647 |
| Pathology | Squamous cell carcinoma | 29 | 40.47 ± 20.44 | 22.41 ± 11.62 | 12.82 ± 8.90 | 2.33 ± 1.14 | Adenocarcinoma | 21 | 29.70 ± 16.99 | 25.38 ± 14.36 | 13.06 ± 9.70 | 1.89 ± 1.12 |
| | | | 1.970 | | | 1.360 | | | | 0.055 | 0.424 | 0.927 | 0.180 |
| TNM stage | I-II | 22 | 33.16 ± 17.68 | 21.50 ± 13.76 | 10.39 ± 8.99 | 1.80 ± 1.18 | III-IV | 28 | 38.14 ± 21.10 | 26.41 ± 11.14 | 16.14 ± 8.50 | 2.59 ± 0.95 |
| | | | | 1.360 | 2.301 | 2.575 | | | | 0.379 | 0.180 | 0.026 | 0.013 |
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miR21 expression was normalized against miR16 expression and is described in relative units.
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