Detection of serum anti-Helicobacter pylori immunoglobulin G in patients with different digestive malignant tumors

Table 1 Positive rates of H. pylori-IgG in patients with different peptic cancers

	n	Anti-H. pylori IgG
		-	+ (%)
Normal group	310	165	145 (46.77)a
Cancer group	374	144	230 (61.50)a
Esophagus carcinoma	63	30	33 (52.38)b
Gastric cancer	97	13	84 (86.60)b
duodenal Carcinoma	101	17	84 (83.17)b
Rectal cancer	42	23	19 (45.24)b
Carcinoma of colon	35	17	18 (51.43)b
Liver cancer	36	20	16 (44.44)b

^aP < 0.01, χ² = 14.8;

^bP < 0.01, χ² = 58.69.

Table 2 Positive rates of anti-H. pylori IgG in patients with gastric cancer of different types and at different locations

Group	n	H. pylori-IgG
		Positive	Positive rates (%)
Gastric cancer	97	84	86.60
Intestinal type	64	60	93.75c
Diffuse type	33	24	72.73c
Gastric antrum	56	54	96.43d
Gastric cardiac	41	30	73.17d

^cP < 0.05, χ² = 8.29;

^dP < 0.05, χ² = 11.03.

Table 3 Positive rates of H. pylori-IgG in patients with duodenal carcinoma of different types and at different locations

Group	n	H. pylori-IgG
		Positive	Positive rates (%)
Duodenal carcinoma	101	84	83.17
Ulcerous type	67	61	91.04e
Proliferous type	44	23	52.27e
Bulb of duodenum	69	65	94.20f
Descending part	42	19	45.20f

^eP < 0.05, χ² = 19.74;

^fP < 0.05, χ² = 28.97.