 Table 1. The criteria based on FECR classifying efficacy of drugs into satisfactory, doubtful and reduced A. lumbricoides T. trichiura Hookworm Satisfactory FECR 95 FECR 50 FECR 90 Doubtful 95 FECR 95 50 FECR 40 90 FECR 80 Reduced FECR 85 FECR 40 FECR 80 