Rapid Communication
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 7, 2007; 13(5): 781-784
Published online Feb 7, 2007. doi: 10.3748/wjg.v13.i5.781
Table 1 Patient characteristics n (%)
CategoryGroup 1 (n = 63)Group 2 (n = 243)P
Sex
Male42 (67)198 (82)< 0.05
Female21 (33)45 (18)
Age (yr)
Median (range)66 (18–87)61 (23–87)
< 305 (8)3 (1)< 0.01
30-39.93 (5)10 (4)
40-49.96 (10)35 (14)
50-59.99 (14)65 (27)
60-69.910 (16)76 (31)
70-79.917 (27)44 (18)
> 808 (13)7 (3)
Unknown5 (8)3 (1)
Race
Asian1 (2)27 (11)< 0.05
African American8 (31)66 (27)
Caucasian51 (81)125 (51)
Hispanic1 (2)8 (3)
Other1 (1)12 (5)
Unknown1 (1)5 (2)
Country
US born58 (92)201 (83)
Immigrant2 (3)28 (11)
Foreign visitor3 (5)14 (6)