TABLE 2.
Patients and clinical characteristics.
| Characteristics | Number of patients | Positive rate of CCNYc |
| Patient age, years | ||
| 0–60 | 26 | 0.23 (6/26) |
| >60 | 26 | 0.42 (11/26) |
| Gender | ||
| Male | 39 | 0.31 (12/39) |
| Female | 13 | 0.38 (5/13) |
| Smoke status | ||
| Non-smoker | 21 | 0.38 (8/21) |
| Smoker | 31 | 0.32 (10/31) |
| Histologic type | ||
| SCC* | 33 | 0.30 (10/33) |
| Adenocarcinoma | 19 | 0.42 (8/19) |
| Histological grade | ||
| I | 4 | 0 (0/4) |
| II | 29 | 0.38 (11/29) |
| III | 19 | 0.32 (6/19) |
| Tumor size | ||
| 0–3 cm | 12 | 0.42 (5/12) |
| >3 cm | 40 | 0.32 (12/42) |
| Lymph node status | ||
| Negative | 27 | 0.33 (9/27) |
| Positive | 25 | 0.32 (8/25) |
| Distant metastasis | ||
| Negative | 44 | 0.32 (14/44) |
| Positive | 8 | 0.38 (3/8) |
| TNM stage | ||
| Stage I | 18 | 0.33 (6/18) |
| Stage II | 9 | 0.3 (3/9) |
| Stage III | 20 | 0.33 (6/20) |
| Stage IV | 5 | 0.40 (2/5) |
*Squamous cell carcinoma.