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肺癌患者血清Cat X和cystatin C表达水平与临床病理特征的关系

Relationship of Cat X and cystatin C in the sera of patients with lung cancer on the clinicopathological parameters

Characteristic		n	Cat X			Cystatin C			Cystatin C/Cat X
			Mean±SD	P		Mean±SD	P		Mean±SD	P
Cat X: Cathepsin X; Cats, Cathepsins; SCC: squamous cell carcinoma; ADC: adenocarcinoma; SCLC: small cell lung cancer.
Gender	Male	50	2.34±0.941	0.222		531.73±8.33	0.483		245.30±10.80	0.196
	Female	34	2.08±0.108			526.88±9.10			276.33±14.75
Age (yr)	≥61.5	42	2.13±0.099	0.137		526.61±10.02	0.308		267.77±12.78	0.137
	< 61.6	42	2.34±0.103			532.92 ±7.22			247.95±12.29
Pathological type	SCC	30	2.34± 0.125	0.076		537.14±9.53	0.575		251.45±15.42	0.076
	ADC	40	2.05 ±0.774			527.99±9.47			273.21±11.97
	SCLC	14	2.56 ±0.233			519.05±15.03			227.69±22.92
Lymph node metastasis	Yes	50	2.16±0.902	0.279		537.37±8.33	0.126		269.33±10.83	0.058
	No	34	2.38±0.117			516.09±8.03			237.21±14.94
Grade	G1+G2	42	2.23±0.10	0.694		536.54±8.80	0.376		259.65±12.16	0.741
	G3	42	2.24±0.105			523.00±8.46			256.08±13.08
Stage	Ⅰ+Ⅱ	28	2.22±0.148	0.232		507.99±8.94	0.01		258.23±17.72	0.992
	Ⅲ+Ⅳ	56	2.25± 0.08			540.66±7.71			257.68±10.07