Skip to main content

Table 3 Abnormality overlap and concordance using Cohen’s Kappa between concavity indices and small airway measures in smokers (n = 80)

From: Relationship between concavity of the flow-volume loop and small airway measures in smokers with normal spirometry

Variables

Global concavity%

Peripheral concavity%

Kappa

P value

Abnormality overlap

Kappa

P value

Abnormality overlap

Scond

0.24

0.02

9

0.25

0.02

8

Sacin

0.05

0.63

10

0.18

0.07

11

R5

0.06

0.10

1

0.07

0.07

1

X5

0.05

0.51

2

− 0.09

0.24

0

  1. There is one missing value for peripheral
Back to article page

BMC Pulmonary Medicine

ISSN: 1471-2466

Contact us