BCHE and poisoning: Female predominance was found in our study which is similar to other studies.2,7-13 The majority (29.79%) of OP poisoning cases were of the age group 20-30 years in our study which is similar to other studies where OP poisoning was found to be more common among the younger generation.2 According to a study done in Nepal, plasma cholinesterase level was found to be significantly decreased in patients with organophosphate poisoning which was similar to our study.2