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Table 1 Agreement (kappa) between the groups

From: Are physician assistant and patient airway assessments reliable compared to anesthesiologist assessments in detecting difficult airways in general surgical patients?

Item

Pat-PA

PA-Anes

Pat-Anes

Pat-PA-Anes

Kappa

p

Kappa

p

Kappa

p

Kappa

p

1

.192

<  .001

.202

< .001

.216

< .001

.216

< .001

2

.807

< .001

.681

< .001

.723

< .001

.733

< .001

3

.542

< .001

.509

< .001

.527

< .001

.523

< .001

4

.205

.003

.179

.011

.205

.004

.195

< .001

5 Down

.659

< .001

.659

< .001

.590

< .001

.634

< .001

5 Up

.486

< .001

.535

< .001

.360

< .001

.456

< .001

5 Tilt

.152

.002

.348

< .001

.101

.051

.212

< .001

5 Left

.485

< .001

.260

< .001

.260

< .001

.328

< .001

5 Right

.534

< .001

.658

< .001

.654

< .001

.619

< .001

  1. Item 1 is Mallampati classification, 2 is “Can you fit three fingers in your mouth when fully opened?,” 3 is “Can you place your lower teeth in front of your upper teeth?,” 4 is “Can you fit three fingers between your chin and your Adam’s apple?,” and 5 is neck motion and position (Fig. 1). P is the probability that kappa differs from zero by chance alone
  2. Pat patient, PA physician assistant, Anes anesthesiologist