Clinical Research
Copyright ©2005 Baishideng Publishing Group Inc.
World J Gastroenterol. Apr 28, 2005; 11(16): 2462-2466
Published online Apr 28, 2005. doi: 10.3748/wjg.v11.i16.2462
Table 2 Clinical types of the illness.
Type of the illness2000s group n (%)1990s group n (%)
First episode62 (50.8)a37 (34.9)
Chronic relapse38 (31.0 )a60 (56.6)
Chronic persistent22 (18.1)9 (8.5)