S100A8 and gastric adenocarcinoma: ORs for all stomach adenocarcinoma among subjects with Hp-CSA antibodies (regardless of CagA serostatus) and antibodies against CagA (regardless of Hp-CSA serostatus) were 4.1 (95% CI 1.9–8.5) and 3.5 (95% CI 1.7–7.1), respectively (Table 2).