2.

不同临床特征血清CRP水平

Comparison of the level of serum CRP with different clinical characteristics

Characteristic	CRP ≤ 5 mg/L (n=66)	CRP > 5 mg/L (n=30)	P
Age (year)			0.642
≤ 65	35	16
> 65	31	14
Sex			0.564
Female	31	19
Male	35	11
Smoking			0.264
Smoker	30	18
Non-smoker	36	12
Pathological type			< 0.001
Squamous cell carcinoma	12	26
Non-squamous cell carcinoma	54	4
Tumor max diameter (cm)			< 0.001
≤ 3	42	5
> 3	24	25