Table 1 Correlation between KCNQ1OT1 expression and clinical characters in 60 patients with NSCLC
| Characteristic | Case number | KCNQ1OT1 | expression | P value |
|---|---|---|---|---|
| High | Low | |||
| Age | 0.7892 | |||
| ≥ 60 | 38 | 18 | 20 | |
| < 60 | 22 | 12 | 10 | |
| Gender | 0.6042 | |||
| Man | 33 | 18 | 15 | |
| Woman | 27 | 12 | 15 | |
| Smoking | 0.4118 | |||
| Yes | 40 | 22 | 18 | |
| No | 20 | 8 | 12 | |
| Histology | 0.2949 | |||
| Adenocarcinoma | 35 | 20 | 15 | |
| Squamous carcinoma | 25 | 10 | 15 | |
| Stage | 0.0379 | |||
| I + II | 31 | 11 | 20 | |
| III + IV | 29 | 19 | 10 | |
| Lymph node metastasis | 0.0127 | |||
| Positive | 40 | 25 | 15 | |
| Negative | 20 | 5 | 15 |
