Table 1 The baseline characteristics

Body weight (kg)

3.00 ± 0.12

3.04 ± 0.19

2.87 ± 0.10

2.92 ± 0.15

.128

The number of lavage (times)

—

4 ± 1

3 ± 1

3 ± 1

.934

pH

7.40 ± 0.07

7.41 ± 0.08

7.43 ± 0.07

7.47 ± 0.05

.213

PaCO₂ (mm Hg)

44.4 ± 9.11

44.6 ± 4.72

39.7 ± 8.37

37.9 ± 5.88

.202

PaO₂ (mm Hg)

413 ± 81.9

415 ± 41.2

449 ± 43.2

442 ± 40.4

.394

Lactate (mmol/l)

1.67 ± 0.96

0.96 ± 0.60

1.14 ± 0.68

1.58 ± 0.67

.266

HR (bpm)

297 ± 2.63

282 ± 35.6

251 ± 47.2

259 ± 32.8

.133

MAP (mm Hg)

126 ± 20.1

120 ± 16.0

109 ± 12.3

116 ± 13.2

.249

PIP (cm H₂O)

12.7 ± 0.95

12.9 ± 0.35

13.6 ± 2.54

12.5 ± 1.31

.513

RR

23.0 ± 3.55

21.6 ± 1.51

24.1 ± 8.17

24.3 ± 4.33

.743