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Table 5 Incidence of hoarseness and sore throat

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

Four-grade scale Hoarseness p value A sore throat p value
Left DLT Cohen blocker Left DLT Cohen blocker
No 0 0 0.017a 0 0 0.028a
Mild 5 1 6 1
Moderate 2 0 2 1
Severe 0 0 0 0
Incidence (%) 35% 5% 0.017 40% 10% 0.028
  1. aChi-square test
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