Table 3.

Subgroup analyses of patients undergoing one-lung ventilation with PCV and VCV

	Volume of V T		Type of PCV
	≤6 ml/kg	≥7 ml/kg	Traditional PCV	PCV-VG
Plateau airway pressure [MD (95 % CI)]	−2.58 (−4.74, −0.43)	−0.58 (−1.37, 0.20)	−1.06 (−2.37, 0.24)	−2.78 (−4.21, −1.35)
Mean arterial pressure [MD (95 % CI)]	−2.17 (−7.25, 2.91)	1.06 (−1.87, 3.99)	0.04 (−3.12, 3.20)	0.64 (−3.62, 4.91)