1.

肺癌患者外周血血清中的Lipocalin-2浓度和临床病理参数之间的相关性（n=60）

Correlation between serum Lipocalin-2 level and clinical features in patients with lung cancer (n=60)

Parameter	n	Lipocalin-2 level (ng/mL)	P
Age (yr)			0.361
< 60	19	211.0±85.6
≥60	41	190.0±72.7
Gender			0.916
Male	37	203.5±86.8
Female	23	205.8±74.7
Smoking history			0.568
Yes	38	199.8±85.6
No	22	212.4±75.9
Histological type			0.905
Adenocarcinoma	40	203.5±61.1
Squamous cell carcinoma	20	206.2±114.4
Tumor size			0.112
< 3 cm	25	224.3±84.9
≥3 cm	35	190.2±77.5
Tumor differentiation			0.040
Well	29	182.2±74.5
Poor	31	225.2±83.8
Lymph node metastasis
Yes	39	237.4±74.6	< 0.001
No	21	143.2±55.5
Clinical stage			0.001
Ⅰ+Ⅱ	33	175.3±80.1
Ⅲ+Ⅳ	27	240.0±69.8