i-gel (n=51) sLMA (n=46) P value Quality of airway during maintenance Quality of hands free anaesthesia Overall quality of airway device 41:3:1:0:6 44:1:0:0:6 39:5:1:0:6 40:3:0:0:3 41:2:0:0:3 40:2:1:0:3 0.49 0.83 0.27

Table 4: Anaesthetists’ subjective assessments of performance. All rated excellent: good: fair: poor: inadequate.