Table 3 Oxygenation index and airway pressure of patients receiving double-lumen tube (DLT) (Group D) and bronchial blocker (BB) (Group B) at different time points

99 ± 1

99 ± 1

94 ± 4

98 ± 1

98 ± 2

99 ± 1

98 ± 1^*

99 ± 1^*

134.4 ± 9.4

145.3 ± 10.2

99.2 ± 9.8

120.3 ± 9.4

135.2 ± 8.9

143.3 ± 11.2

119.3 ± 8.9^*

137 ± 8.4^*

42.2 ± 4.2

42.6 ± 6.5

45.1 ± 4.2

41.2 ± 2.4

43.4 ± 4.8

43.4 ± 6.5

44.4 ± 5.2

40.5 ± 3.5

36.8 ± 4.5

37.2 ± 4.1

34.6 ± 5.1

31.7 ± 4.7

35.5 ± 6.1

36.3 ± 5.8

36.5 ± 4.8

32.1 ± 5.3

20.0 ± 3.2

27.0 ± 3.3

29.2 ± 3.4

27.6 ± 3.0

19.2 ± 2.2

24.5 ± 3.5^*

26.5 ± 2.3^*

25.3 ± 2.7^*

7.0 ± 2.1

9.0 ± 1.8

9.3 ± 2.0

8.9 ± 2.1

6.0 ± 1.5

8.3 ± 1.7^*

8.5 ± 1. 6^*

8.1 ± 1.8^*