Epidemiology of peptic ulcer disease in Wuhan area of China from 1997 to 2002

Table 1 Sex ratio of six different age groups in 4876 cases of peptic ulcer disease

Age (yr) group	Duodenal ulcer	Gastric ulcer	Complex ulcer	Peptic ulcer
10-	3.66	5.00	10.00	3.96
20-	5.13	4.03	6.13	4.93
30-	4.12	4.63	7.53	4.39
40-	2.65	5.82	3.04	3.26
50-	2.53	5.56	2.86	3.37
60-	3.43	5.70	6.75	4.39
Mean	3.59	5.12	6.05	4.05

Table 2 Comparison of sex among six different age groups in 4876 cases of peptic ulcer disease

Gender	Age(yr) group
	10-	20-	30-	40-	50-	60-
Male	190	858	1340	880	576	282
Female	48	174	305	270	171	65

χ² = 337.9, P < 0.001.

Table 3 Age distribution in 4876 cases of peptic ulcer disease

Age (yr) group	Duodenal ulcer		Gastric ulcer		Complex ulcer
	Male	Female	Male	Female	Male	Female
10-	150	41	30	6	10	1
20-	656	128	153	38	49	8
30-	932	226	295	64	113	15
40-	519	196	285	49	76	25
50-	263	104	250	45	63	22
60-	141	41	114	20	27	4
Total	2661	736	1127	222	338	75

Table 4 Occupation distribution in six different age groups in 1068 cases of peptic ulcer

Age (yr) group	Worker			Farmer			Cadre			Student
	DU	GU	CU	DU	GU	CU	DU	GU	CU	DU	GU	CU
10-	2	1	0	0	1	0	2	0	0	24	6	6
20-	86	18	6	36	12	4	6	2	0	10	0	0
30-	168	22	8	96	44	8	32	20	2
40-	26	6	6	66	38	14	34	14	4
50-	28	10	2	32	26	8	16	16	2
60-	18	8	2	14	28	2	12	12	2
Total	328	65	24	244	149	36	102	64	10	34	6	6