Clinical Research
Copyright ©The Author(s) 2005.
World J Gastroenterol. Jul 21, 2005; 11(27): 4188-4193
Published online Jul 21, 2005. doi: 10.3748/wjg.v11.i27.4188
Table 1 Clinical characteristics of study subjects
CharacteristicsPatients with
Controls
UCCD
Number of subjects10879200
Age range (yr)14 - 8317 - 7520 - 60
Age (mean±SD)44.0 ± 16.9b34.5 ± 12.732.5 ± 11.1
Male/female (%)57 (52.8)/51 (47.2) 47 (59.5)/32 (40.5) 125 (62.5)/75 (37.5)