The provided assignment content is a proposal for a mixed-method study to investigate the management of renal colic patients in Omani hospitals. The study aims to identify how each hospital manages these patients and will involve a survey of clinical protocols, telephone interviews with hospital heads, and an initial literature review. Due to time constraints, the methodology was changed from a mixed-method design to a retrospective quantitative study using SPSS software. The study will also establish diagnostic criteria for acute renal colic and obtain ethical approvals from the Ministry of Health in Oman and University of Hertfordshire.