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