Variables | CircFGFR1 expression level | P value | |
---|---|---|---|
Low | High | ||
Age | |||
 60 < | 52 | 65 | 0.095 |
 60 ≥ | 53 | 40 | |
Gender | |||
 Male | 74 | 66 | 0.306 |
 Female | 31 | 39 | |
Smoking status | |||
 Smokers | 69 | 73 | 0.658 |
 Nonsmokers | 36 | 32 | |
Histological type | |||
 Squamous cell carcinoma | 24 | 31 | 0.346 |
 Adenocarcinomas | 81 | 74 | |
Tumor stage | |||
 I–II | 44 | 53 | 0.268 |
 III–IV | 61 | 52 | |
Lymph node metastasis | |||
 Yes | 37 | 61 | 0.010 |
 No | 68 | 44 | |
Tumor size | |||
 ≤ 3 cm | 37 | 59 | 0.004 |
 >  3 cm | 68 | 46 | |
Differentiation | |||
 Well and moderate | 42 | 60 | 0.019 |
 Poor | 63 | 45 |