Diagnostic classification of endosonography for differentiating colorectal ulcerative diseases: A new statistical method

Table 1 Sex and age of all patients

Total			Sex		Age, yr
			Male	Female	Range	Mean
Diseases	CD	2771	151	126	12-71	31.85
	PIL	60	37	23	18-73	43.76
	ITB	431	27	16	17-69	45.73

¹Five CD and four ITB cases received treatment in the out-patient clinic, so were absent from the in-patient system. CD: Crohn’s disease; ITB: Intestinal tuberculosis; PIL: Primary intestinal lymphoma.