Retrospective Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Nov 21, 2018; 24(43): 4928-4938
Published online Nov 21, 2018. doi: 10.3748/wjg.v24.i43.4928
Table 2 Ratio, in absolute value and percentage, between pathogen (Helicobacter pylori, Epstein-Barr virus, and human papillomavirus), strain (HPcagA) and tumor location
InfectionCardia (104)P (OR, 95%CI)Fundus (57)P (OR, 95%CI)Body (45)P (OR, 95%CI)Antrum (95)P (OR, 95%CI)
HP+ (263)91 (34.6%)0.975 (OR = 1.012, 95%CI: 0.494-2.071)44 (16.7%)0.012 (OR = 0.395, 95%CI: 0.188-0.831)40 (15.2%)0.704 (OR = 1.213, 95%CI: 0.447-3.291)88 (33.5%)0.064 (OR = 2.214, 95%CI: 0.938-5.228)
H. pylori-cagA+ (203)67 (33%)0.400 (OR = 0.806, 95%CI: 0.488-1.332)27 (13.3%)0.000 (OR = 0.361, 95%CI: 0.201-0.648)35 (17.2%)0.092 (OR = 1.886, 95%CI: 0.894-3.978)74 (36.5%)0.009 (OR = 2.087, 95%CI: 1.191-3.656)
EBV+ (62)23 (37.1%)0.621 (OR = 1.158, 95%CI: 0.648-2.069)1 (1.6%)0.000 (OR = 0.053, 95%CI: 0.007-0.388)16 (25.8%)0.009 (OR = 2.435, 95%CI: 1.227-4.833)22 (35.5%)0.444 (OR = 1.258, 95%CI: 0.699-2.266)
HPV+ (8)4 (50%)0.348 (OR = 1.940, 95%CI: 0.475-7.920)0 (0%)0.162 (OR = 0.803, 95%CI: 0.758-0.850)2 (25%)0.436 (OR = 1.894, 95%CI: 0.370-9.686)2 (25%)0.690 (OR = 0.720, 95%CI: 0.143-3.637)