Laparoscopic adjustable gastric banding is a safe and effective treatment for morbid obesity. Long-term complications include band slippage, gastric pouch dilatation and gastric erosion. Rates of band slippage reported in the literature range from less than 1% to over 20%. The aim of this review was to explore whether differences in the reporting of this complication contributed to the variability in this outcome measure. A full literature search was undertaken using EMBASE and MEDLINE search engines. Forty studies were selected for analysis based on inclusion and exclusion criteria. Each was scrutinised for outcome reporting methods and related fields. Accurate definitions for relevant terms were derived from the best available evidence. Considerable variations in device deployed, operative approach, band fixation technique, and outcome reporting mechanisms were seen between the studies. The explanation and definition of terms used within manuscripts were also seen to vary between studies. A consensus needs to be reached on how best to report complications such as gastric band slippage. We suggest which information should be included by authors to allow for accurate and reproducible reporting of such outcomes in the future.