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Table 5 Upper airway unblinded judgement, Fisher’s Exact Test

From: Tolerability and performance of BIP endotracheal tubes with noble metal alloy coating – a randomized clinical evaluation study

 

Coated ETT

Standard ETT

 

n = 19

n = 10

Parameter

Analysis value

n (%)

95 % CIa

n (%)

95 % CIa

p-valueb

Intubation

I

17 (94)

(73, 100)

10 (100)

(69 % 100)

.

II

1 (6)

(0, 27)

0

(0, 31)

.

III

0

(0, 19)

0

(0, 31)

.

IV

0

(0, 19)

0

(0, 31)

.

Extubation

I

15 (79)

(54, 94)

10 (100)

(69, 100)

.

II

4 (21)

(6, 46)

0

(0, 31)

.

III

0

(0, 18)

0

(0, 31)

.

IV

0

(0 %, 18 %)

0

(0 %, 31 %)

0.2680

  1. aConfidence intervals calculated using Clopper-Pearson method. bFisher’s Exact Test. Only provided for extubation
  2. I - No signs of irritation/inflammation of the mucosa in the trachea; II - Weak signs of irritation/inflammation of the mucosa in the trachea; III - Clear signs of irritation/inflammation of the mucosa in the trachea; IV - Extensive signs of irritation or extreme discoloration/inflammation of the mucosa in the trachea