Effect of driving pressure on early postoperative lung gas distribution in supratentorial craniotomy: a randomized controlled trial

Table 3 Surgery and postoperative characteristics

Characteristics	control group (n = 26)	titration group (n = 25)	p
Tidal volume; ml	450 (420,550)	460 (430,530)	0.96
RR; breaths·min^− 1	12 (12,12)	12 (12,13)	0.745
Ventilation duration; min	306 (230,336)	290 (215,327)	0.55
Intraoperative fluid input; ml	2482 (2000,2500)	2500 (2000,2500)	0.43
Intraoperative bleeding; ml	1200 (1000,1800)	1200 (1000,1825)	0.789
Intraoperative urine; ml	1400 (1200,1950)	1400 (1150,1950)	0.906
Brain relaxation, n (%)			0.459
1 point	3 (12)	2 (8)
2 points	11 (42)	14 (56)
3 points	10 (38)	9 (36)
4 points	2 (8)	0 (0)
Vasoactive drugs, n (%)	2 (8) 0 (0)	7 (28)	0.075
VAS score > 3, n (%)	2 (8) 0 (0)	0 (0)	> 0.99
PPCs; Yes	0 (0)	0 (0)	> 0.99

Data are presented as the Median (IQR) or a frequency with proportion(%). RR, respiratory rate; VAS, visual analog scale; PPCs, postoperative pulmonary complications

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