Establishment of local Diagnostic Reference Levels (DRLs) for radiography examinations in north eastern Nigeria

Diagnostic reference levels (DRLs) is an essential optimization tool in radiography and radiological sciences. The objective of the study is to establish DRL for radiography examinations in north eastern Nigeria. A Prospective cross- sectional study conducted in two university teaching hospitals in north eastern Nigeria. Seven hundred and fifty (750) patients were considered for the study. Thermoluminiscent dosimeter (TLD) chips were exposed for each examination. Pearson’s correlation was used to determine the relationship between the dose and anthropotechnical parameters. Statistical significance was set at P