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Ain-Shams Journal of Anesthesiology

Table 2 Number and percentage of intubation attempts

From: Efficacy and safety of Cohen Flex-Tip blocker and left double lumen tube in lung isolation for thoracic surgery: a randomized comparative study

Number of intubation attempts

Left DLT

Cohen blocker

Chi-square test

No.

%

No.

%

×2

p value

First

18

90

19

95

0.026

0.871

Second

2

10

1

5

0.250

0.617

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