Expression and significance of proapoptotic gene Bax in gastric carcinoma

Table 1 Correlation between Bax protein expression and clinico-pathological parameters of gastric carcinomas

Parameters	n	Bax protein expression		Positive rate (%)
		-	+
Age (year)
≤ 59	39	22	17	56.41
≥ 60	18	11	7	61.11
Sex
M	39	24	15	61.54
F	18	9	9	50.00
Type
Intestinal	30	22	8	73.33a
Diffuse	27	11	16	40.74
Grade of differentiation
Well/moderate	21	17	4	80.95b
Poor	26	10	16	38.46
Mucoid	10	6	4	60.00
Tumor size
< 5 cm	35	21	14	60.00
≥ 5 cm	22	12	10	54.55
Lymph-node metastasis
Negative	23	13	10	56.52
Positive	34	20	14	58.82
Serosal invasion
Absent	27	14	13	51.85
Present	30	19	11	56.67
Clinical stages
I and II	34	20	14	58.82
III and IV	23	13	10	56.52

^aP < 0.05, χ = 6.193, vs diffuse-type gastric carcinoma,

^bP < 0.01, χ = 8.580, vs poorly differentiated gastric carcinoma.