Gastric malignancies in Northern Jordan with special emphasis on descriptive epidemiology

Table 1 Age specific incidence rate per 100 000 population/year by age and gender

Age (yr) group	Male			Female
	Population	No. of cancers1	ASIR2	Population	No. of cancers1	ASIR2
0-9	113 142	0	0	106 465	0	0
10-19	092 899	0	0	087 629	0	0
20-29	076 938	0	0	071 445	1	0.13
30-39	043 068	7	1.48	038 967	9	2.1
40-49	024 175	11	4.14	023 480	6	2.32
50-59	019 763	21	9.66	017 526	9	4.67
60-69	010 157	53	47.44	009 009	27	27.25
70-79	003 641	29	72.4	004 264	17	36.24
≥ 8 0	001 481	7	43	001 725	4	21.08
Total	385 264	128	3.02	360 510	73	1.84

¹Number of cancers during the 11-year study.

²Age specific incidence rate per 100 000 population/year.

Table 2 Presenting features of patients with gastric malig-nancy

	Number of patients	%
Abdominal pain	144	71.6
Weight loss and/or anemia	130	64.7
Dyspepsia	98	48.8
Nausea, vomiting	96	47.8
Abdominal mass	62	30.8
Anorexia	58	28.9
Dysphagia	44	21.9
Gastrointestinal bleeding	37	18.4
Obstruction	17	8.5
Perforation	5	2.5

Table 3 Histopathological distribution of gastric malignancies according to age and sex (%)

Histopathologic diagnosis	Age (yr)		Sex		Total
	Mean	Range	Male	Female
Intestinal type adenocarcinoma	62.7	35-91	90(70.9)	37(29.1)	127(63.2)
Diffuse type adenocarcinoma	51.9	24-75	9(31)	20(69)	29(14.4)
Mixed type adenocarcinoma	64.3	51-72	11(57.9)	8(42.1)	19(9.5)
Adenosquamous carcinoma	82	82	1	-	1(0.5)
Primary gastric lymphoma	57.9	41-82	12(75)	4(25)	16(8)
Carcinoid	66	41-81	2(50)	2(50)	4(2)
Malignant stromal tumors	69.4	43-84	3(60)	2(40)	5(2.5)
Total	61.2	24-91	128(63.7)	73(36.3)	201(100)

Table 4 Distribution of gastric adenocarcinoma according to site (%)

Histopathological type	Proximal third	Middle third	Distal third	Entire stomach	Total
Intestinal type adenocarcinoma	22(17.3)	30(23.6)	70(55.1)	5(3.9)	127
Diffuse type adenocarcinoma	6(20.7)	7(24.1)	7(24.1)	9(31)	29
Mixed type adenocarcinoma	3(15.8)	5(26.3)	8(42.1)	3(15.8)	19
Adenosquamous carcinoma	-	-	1		1
Total	31(17.6)	42(23.9)	86(48.9)	17(9.7)	176