Trends of Mycobacterium tuberculosis and Rifampicin resistance in Northwest Ethiopia: Xpert® MTB/RIF assay results from 2015 to 2021.

"Declarations Ethics approval and consent to participateBefore the commencement of the study, we obtained ethical clearance from the UoG, School of Biomedical and Laboratory Sciences (SBMLS) ethical review committee (Ref. No/SBMLS/350/2022), and an official letter of cooperation was provided to the UoG-CSH. Before data collection, we explained the study objectives to the heads of the hospital director and the TB laboratory personnel. Since we used secondary data for this study, we didn’t require the patient’s informed consent. To ensure confidentiality of information from participant’s record, we didn’t record any personal identifiers on the data collection sheet, and secured data from participant records were not available to anyone except for the investigators. We conducted the study following the Declaration of Helsinki [46]. Consent for publicationNot applicable. Competing interestsThe authors declare no competing interests. Competing interests The authors declare no competing interests."

"Funding The authors did not receive specific funding for this work."