Brief Article
Copyright ©2010 Baishideng.
World J Gastroenterol. Feb 14, 2010; 16(6): 770-777
Published online Feb 14, 2010. doi: 10.3748/wjg.v16.i6.770
Table 1 Characteristics of 9 included studies
StudyCountry or regionPatients
Study design
GenderAge (yr)
Lin[16], 1995Taiwan, China29M, 11F6.2 ± 2.4RCT (3 score)
Bhimma et al[17], 2002South Africa34M, 5F8.7, 9.2Cohort study
Lai et al[18], 1991Hong Kong, China14M, 2F27.2 ± 6.2Cohort study
Tang et al[19], 2005Hong Kong, China14M, 8F48.3 ± 12.8, 43.1 ± 22.8Cohort study
Panomsak et al[20], 2006Thailand14M, 10F39.8Cohort study
Yang et al[21], 2003Wenzhou, China28M, 5F8.01 ± 1.23Cohort study
Lai et al[22], 1990Hong Kong, China10M, 5F22.8 ± 14.4, 17.2 ± 8.2Cohort study
Ozdamar et al[23], 2003Turkey11M, 3F10Cohort study
Peña et al[24], 2001Spain11M, 1F4.52 ± 2.34Cohort study