The results of this meta-analysis suggest that ASA decreases the PPV of g-FOBT but not that of i-FOBT for detecting significant colonic neoplasia. In contrast, warfarin appears to increase the PPV of ...
Screening by faecal occult blood testing (FOBT) has been shown to be effective in reducing colorectal cancer (CRC) mortality (Mandel et al, 1993; Selby et al, 1993; Saito et al, 1995; Hardcastle et al ...