Fishbone diaphragm: root cause analysis identifying barriers to acceptance of OSA screening. OSA, obstructive sleep apnoea; STOP-BANG, loud Snoring, Tiredness, Observed apnea, high blood Pressure-Body mass index, Age, Neck circumference, and Gender. Fishbone diaphragm: root cause analysis identifying barriers to acceptance of OSA screening. OSA, obstructive sleep apnoea; STOP-BANG, loud Snoring, Tiredness, Observed apnea, high blood Pressure-Body mass index, Age, Neck circumference, and Gender. Smita Y Bakhai et al. BMJ Open Qual 2017;6:e000105 © Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/