Clinical significance of Fas and FasL protein expression in gastric carcinoma and local lymph node tissues

Table 1 Expression of Fas and FasL in gastric carcinoma and normal gastric tissues

	Fasa		FasLb
	Normal gastric tissues	Gastric carcinoma	Normal gastric tissues	Gastric carcinoma
-	3	48	14	12
+	5	6	2	10
++	4	4	3	18
+++	8	6	1	24

^aZ = -4.780, P < 0.001;

^bZ= -4.115, P < 0.001.

Table 2 Expression of Fas and FasL in invasive and non-invasive lymph nodes

	Fasa		FasLb
	Invasive	Non-invasive	Invasive	Non-invasive
-	7	10	18	7
+	7	6	6	6
++	9	4	9	6
+++	18	3	8	4

^aZ = -2.954, P = 0.003;

^bZ = -0.534, P = 0.593.

Table 3 Expression of Fas and FasL in well- and poorly-differentiated gastric carcinoma tissues

Differentiated	Fasa		FasLb
	Well	Poorly	Well	Poorly
-	7	41	8	8
+	3	4	2	21
++	3	3	3	9
+++	1	2	1	12

^aZ = -2.421, P = 0.015;

^bZ = -2.307, P = 0.021.

Table 4 Expression of Fas and FasL in patients with or without lymph node metastasis of gastric carcinoma

Item (cases)	Fas		P value	FasL		P value
	Positive	Negative		Positive	Negative
Sex
Male (38)	11	27	χ2 = 0.777	29	9	χ2 = 0.086
Female (26)	5	21	0.378	19	7	0.769
Age (yr)
< 40 (9)	3	6		6	3
40-49 (20)	5	15		18	2
50-59 (19)	6	13	χ2 = 2.105	15	4	χ2 = 5.891
> 60 (16)	2	14	0.551	9	7	0.117
Lymph node metastasis
Yes (41)	10	31	χ2 = 0.023	29	12	χ2 = 1.109
No (23)	6	17	0.880	19	4	0.292