Shen 2011.

Methods	RCT, parallel design
Participants	Total number of randomized participants: 60 Inclusion criteria: requires translation Exclusion criteria: requires translation Type of surgery: thoracic Country: China Setting: hospital
Interventions	TIVA group Induction details: requires translation Maintenance details: propofol and fentanyl Inhalational maintenance group Induction details: requires translation Maintenance details: sevoflurane and fentanyl
Outcomes	Durations of operation and one‐lung ventilation Volume of blood loss during operation Time of spontaneous eye opening Extubation Cognitive function (assessed before operation and at various times after operation using MMSE)
Notes	Unable to extract detailed data due to paper being written in Chinese. All data extracted from abstract

ASA: American Society of Anesthesiologists
 BIS: bispectral index
 GDS: Geriatric Depression scale
 IRB: institutional review board
 MMSE: Mini‐Mental State Examination
 RCT: randomized control trial
 POCD: postoperative cognitive dysfunction
 TIVA: total intravenous anaesthesia