Table 1.
Relationship between clinicopathological features and miR-503 expression in lung cancer tissues
| miR-503 expression | ||||
|---|---|---|---|---|
|
|
||||
| Parameters | Number of cases | Low (n = 56) | High (n = 53) | P value |
| Age (y) | ||||
| < 60 | 52 | 27 | 25 | 0.533 |
| ≥ 60 | 57 | 29 | 28 | |
| Sex | ||||
| Male | 43 | 21 | 22 | 0.408 |
| Female | 66 | 35 | 31 | |
| Smoking History | ||||
| Never | 17 | 8 | 9 | 0.451 |
| Former + Current | 92 | 48 | 44 | |
| Histology | ||||
| Squamous cell carcinoma | 43 | 20 | 23 | 0.414 |
| Adenocarcinoma | 45 | 23 | 22 | |
| Other | 21 | 13 | 8 | |
| Lymphatic invasion | ||||
| Positive | 32 | 23 | 9 | 0.005 |
| Negative | 77 | 33 | 44 | |
| Distant metastasis | ||||
| Positive | 21 | 17 | 4 | 0.002 |
| Negative | 88 | 39 | 49 | |
| TNM stage | ||||
| I/II | 42 | 15 | 27 | 0.008 |
| III/IV | 67 | 41 | 26 | |
| Tumor grade | ||||
| I-II | 59 | 20 | 39 | 0.043 |
| III | 50 | 26 | 24 | |