Table 1.

Characteristics of previous surveys

Authors	Journal	Publication year	Survey questions	Number of anaesthesiologists responding	Total number of anaesthesiologists	Response rate	Key results
Myles PS, et al. [22]	Anaesthesia	2003	22	186	220	85.0%	Many anaesthetists have had a patient who exhibited awareness under anaesthesia, but most rated awareness as only a moderate problem.
Lau K, et al. [21]	Eur J Anaesthesiol	2006	26	2170	4927	44.0%	Most anaesthetists accept that clinical signs are unreliable indicators of awareness; few believe that DoA monitors should be used for routine cases in the UK.
Ben-Menachem E, et al. [8]	Anesth Analg	2014	23	289	963	30.0%	The primary driver for the use of DoA monitoring in Australia is prevention of awareness.
Cheung YM, et al. [23]	BMC Anaesthesiol	2018	24	168	553	30.0%	Prevention of awareness is the most important reason to use DoA monitoring in children. The perceived lack of reliability of DoA monitoring in children is the most important reason not to use it.