Abdul Razak Nurliyana, Mohd Taib Mohd Nasir, Mohd Shariff Zalilah, Abdullah Rohani
Dietary patterns and cognitive ability among 12- to 13 year-old adolescents in Selangor, Malaysia
Public health nutrition
known people helicobacter pylori infection develop gastric cancer whereas others whether caga phenotype h pylori infection affected risk cancer independently posited risk factors evaluated242 persons participated previous nested casecontrol study gastric cancer 179 90 cases 89 controls infected h pylori determined enzyme linked immunosorbent assay elisa serum 63 13 cases 50 controls uninfectedserum samples cases controls obtained mean 142 years diagnosis cancer cases tested elisa igg antibodies caga gene product h pylori previously tested pepsinogen using logistic regression analysis risk cancer compared among infected persons caga antibodies infected persons without caga antibodies uninfected personssubjects infected h pylori caga antibodies 58fold likely uninfected subjects develop gastric cancer 95 confidence interval 95 ci 26130 true intestinal odds ratio 51 95 ci 21122 diffuse type 101 95 ci 22474 cancers contrast h pylori infected subjects without caga antibodies slightly significantly increased risk cancer 22 95 ci 0954 possible association restricted diffuse type carcinoma 90 95 ci 12658 pepsinogen 1 50 ngml significantly increased risk cancer types h pylori infected persons lessened magnitude association caga cancer educational attainment cigarette smoking abo blood group associated malignancywhen compared uninfected subjects persons infected caga positive h pylori considerably increased risk gastric cancer caga negative h pylori less strongly linked malignancy may associated diffuse type disease