Table 1 The clinical characteristics of the 100 patients and 60 cases of healthy volunteers.
clinical characteristics | Case of patients(%) | healthy volunteer | X2 | P |
|---|---|---|---|---|
Age | ||||
Median | 59 | 57 | 0.432 | |
Range | 36–84 | 31–82 | ||
Gender | ||||
Male | 80(80%) | 44(73%) | 0.361 | 0.665 |
Female | 20(20%) | 16(27%) | ||
Pathological type | ||||
Adenocarcinoma | 40(40%) | |||
Squamous cell carcinomas | 50(50%) | |||
Others | 10(10%) | |||
Tumor differentiation grade | ||||
Poorly differentiated | 44(44%) | |||
Middle differentiated | 55(55%) | |||
High differentiated | 1(1%) | |||
pTNM stage | ||||
Ia stage | 20(20%) | |||
Ib stage | 23(23%) | |||
IIa stage | 19(19%) | |||
IIb stage | 8(8%) | |||
IIIa stage | 30(30%) | |||
N stage | ||||
N0 | 64(64%) | |||
N1 | 9(9%) | |||
N2 | 27(27%) | |||
Smoking | ||||
Yes | 59(59%) | |||
No | 41(41%) | |||
