Clinical Research
Copyright ©2007 Baishideng Publishing Group Co.
World J Gastroenterol. Feb 28, 2007; 13(8): 1230-1235
Published online Feb 28, 2007. doi: 10.3748/wjg.v13.i8.1230
Table 3 The type of gastrointestinal symptoms among three genotype groups of lactase persistence/nonpersistence
Gastrointestinal symptomsC/C % (n = 294)C/T % (n = 725)T/T % (n = 524)OR C/C vs C/T(95% CI)POR C/C vs T/T(95% CI)P
Flatulence79 (232)73 (531)73 (380)1.37 (0.99-1.89)< 0.051.42 (1.01-1.99)< 0.05
Diarrhoea40 (119)38 (275)40 (207)1.11 (0.84-1.47)NS1.04 (0.78-1.39)NS
Constipation24 (72)21 (152)20 (107)1.22 (0.89-1.68)NS1.26 (0.90-1.78)NS
Bloating61 (178)58 (423)55 (287)1.10 (0.83-1.44)NS1.27 (0.94-1.69)NS
Heartburn32 (94)37 (265)38 (198)0.82 (0.61-1.09)NS0.77 (0.57-1.04)NS