1.

两组一般资料比较

Comparison of general data between the two groups

Group	Men/women (n)	Age (Years)	BMI (kg/m2)	Preoperative hemoglobin (g/dL)	OLVtime (min)	Mechanical ventilation time (min)	Anesthesia time (min)	Operation time (min)	Bleeding volume (mL)
F: Pulmonary protective ventilation strategy group; DF: Dexmedetomidine combined with a pulmonary protective ventilation strategy group; BMI: Body mass index; OLV: One-lung ventilation.
F	14/6	63.4±5.2	24.6±0.9	12.5±1.2	111.3±4.5	271.0±5.4	229.5±4.9	181.5±5.6	250.5±41.9
DF	12/8	63.5±5.5	24.6±1.0	12.5±1.1	110.9±4.7	271.7±6.9	230.6±5.4	180.6±4.5	244.3±39.8
t/χ2	0.440	0.059	0.000	0.097	0.274	0.384	0.645	0.591	0.480
P	0.507	0.953	1.000	0.924	0.785	0.705	0.523	0.558	0.634