METHODS
Including patients aged between 18-65 years that consulted with the ED with complaints of flank pain due to renal colic, the present study is a prospective randomized clinical study. The study was conducted between January 1, 2019 - January 1, 2020. The study was approved by the university’s ethics committee. The study is registered at clinicaltrials.gov (NCT04209439). Written informed consent was obtained from all of the study patients. The study was conducted in accordance with the CONSORT guideline and the Declaration of Helsinki.
This pilot clinical feasibility study was conducted under the definitions and protocols described in a published tutorial in a pilot study 16, and due to lack of previous studies, a convenience sample size of 20 was used for each group.