Fig. 1From: The intraoperative use of non-opioid adjuvant analgesic agents: a survey of anaesthetists in Australia and New ZealandUse of opioid adjuvants reported as percentage of usage. Use ranked by frequency of administration. Blue: frequently used, usage above 70% of the time; orange: used 30–70% of the time; grey: used up to 30% of the time; yellow: never used. Values on the x-axis represent the proportion of usage of different agents and values on the y-axis represent percentage of responses for each categoryBack to article page