Clinicopathological | N | Positive | Negative | χ2 | P |
---|---|---|---|---|---|
Characteristics | |||||
Age (years) | |||||
< 60 | 31 | 18 | 13 | 0.022 | 1.000 |
≥ 60 | 62 | 37 | 25 | ||
Sex | |||||
Male | 54 | 30 | 24 | 0.685 | 0.522 |
Female | 39 | 25 | 14 | ||
Histological type | |||||
Squamous cell carcinoma | 44 | 22 | 22 | 2.887 | 0.097 |
Adenocarcinoma | 49 | 33 | 16 | ||
Differentiation | |||||
Well | 33 | 23 | 10 | 2.359 | 0.186 |
Moderate and poor | 60 | 32 | 28 | ||
TNM classification | |||||
I + II | 61 | 31 | 30 | 5.079 | 0.028* |
III | 32 | 24 | 8 | ||
Lymph node metastasis | |||||
Negative | 34 | 15 | 19 | 6.032 | 0.016* |
Positive | 59 | 40 | 19 |