Gastroenterology Research and Practice / 2014 / Article / Tab 1

Clinical Study

Geographic Mapping of Crohn’s Disease and Its Relation to Affluence in Jiangsu Province, an Eastern Coastal Province of China

Table 1

Classification of adult Crohn’s disease from Jiangsu province.

Variables Percentage (%)

Age at diagnosis
 A2 (17–40 y)41265.7
 A3 (above 40 y)21534.3
Disease locations at diagnosis
 L1 (terminal ileal)16826.8
 L2 (colonic)21334.0
 L3 (ileocolonic)24639.2
 L4 (Isolated upper disease)223.5
Disease behavior at diagnosis
 B1 (inflammation)37359.5
 B2 (stricturing)20432.5
 B3 (penetrating)508.0
 P (perianal disease)7411.8