Table 2.

Dynamic parameters of critically ill ventilated subjects without and with extubation

	All	Extubation (-)	Extubation ( +)	p-value
	N = 5,940	N = 2,283	N = 3,657
Day 1
Glasgow coma scale	7.5 ± 4.4	6.8 ± 4.2	8.0 ± 4.4	< 0.001
RASS level	-2.9 ± 1.9	-3.2 ± 1.8	-2.7 ± 1.9	< 0.001
Respiratory rate, per minute	19.2 ± 3.7	19.5 ± 3.8	19.1 ± 3.6	< 0.001
Ppeak, cmH2O	22.3 ± 6.0	22.8 ± 6.2	22.0 ± 6.0	< 0.001
MAP, cmH2O	12.4 ± 3.1	12.6 ± 3.3	12.2 ± 2.9	< 0.001
Heart rate, per minute	93.6 ± 19.2	95.9 ± 20.0	92.2 ± 18.5	< 0.001
Urine output, ml	1248.4 ± 1172.1	1270.1 ± 1243.4	1235.0 ± 1125.4	0.290
Injected fluid, ml	2515.0 ± 1929.8	2634.5 ± 2036.9	2439.7 ± 1855.6	< 0.001
Feeding amount, ml	484.1 ± 437.1	504.2 ± 454.9	471.4 ± 425.1	0.045
Day 3
Glasgow coma scale	9.1 ± 4.7	7.3 ± 4.6	10.2 ± 4.5	< 0.001
RASS level	-2.1 ± 2.0	-2.9 ± 1.9	-1.6 ± 1.8	< 0.001
Respiratory rate, per minute	18.0 ± 4.0	18.8 ± 4.5	17.4 ± 3.6	< 0.001
Ppeak, cmH2O	23.6 ± 5.3	24.7 ± 5.6	22.9 ± 4.9	< 0.001
MAP, cmH2O	12.2 ± 3.4	13.0 ± 3.9	11.8 ± 3.0	< 0.001
Heart rate, per minute	88.4 ± 17.4	91.8 ± 18.8	86.3 ± 16.1	< 0.001
Urine output, ml	2012.8 ± 1354.6	1807.5 ± 1384.7	2139.2 ± 1320.1	< 0.001
Injected fluid, ml	1706.2 ± 1338.8	1929.9 ± 1579.1	1566.8 ± 1142.5	< 0.001
Feeding amount, ml	969.0 ± 508.0	939.5 ± 519.6	986.8 ± 500.2	0.002
Day 7
Glasgow coma scale	10.5 ± 4.5	8.0 ± 4.7	12.0 ± 3.7	< 0.001
RASS level	-2.2 ± 2.4	-3.2 ± 2.2	-1.6 ± 2.3	< 0.001
Respiratory rate, per minute	18.8 ± 3.7	19.0 ± 4.3	18.7 ± 3.4	0.010
Ppeak, cmH2O	23.2 ± 5.6	24.8 ± 5.8	22.0 ± 5.1	< 0.001
MAP, cmH2O	11.9 ± 3.4	12.8 ± 3.8	11.2 ± 2.8	< 0.001
Heart rate, per minute	88.7 ± 16.3	90.5 ± 17.9	87.7 ± 15.2	< 0.001
Urine output, ml	2093.0 ± 1280.6	2005.9 ± 1346.8	2140.5 ± 1240.6	< 0.001
Injected fluid, ml	1168.4 ± 1060.9	1413.7 ± 1231.7	1030.7 ± 923.7	< 0.001
Feeding amount, ml	1160.3 ± 571.4	1122.7 ± 571.5	1180.5 ± 570.4	0.001

Data were presented as mean ± standard deviation. RASS Richmond Agitation and Sedation Scale, Ppeak peak airway pressure, MAP mean airway pressure