Introduction. The primary aim of this study was to compare the objective and subjective outcomes and short-term complication rates of an adjustable singleincision mini-sling (SIMS) vs. standard mid-urethral slings (SMUS). The secondary aim was to report pain perception and complications at the oneyear follow up. Material and methods. The study was designed as a multicenter prospective randomized trial where women were included from eight centers in Denmark, Norway and Sweden. The trial was registered at ClinicalTrials.gov: NCT01754558. A total of 305 women less than 60 years old with verified stress urinary incontinence were included. All women were randomized to SIMS (Ajust