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Table 2 Comparisons of laboratory investigations, pulmonary function test parameters, and different variables in different study groups

From: Serum interleukin-6 in chronic obstructive pulmonary disease patients and its relation to severity and acute exacerbation

Variables

Cases (N = 45)

Control (N = 45)

P-value

Sig.

Mean

SD

Mean

SD

TLC

7931.1

2518.5

7075.6

2036.3

0.08

NS

IL6

0.76

0.59

0.23

0.25

< 0.001

HS

FVC

54.02

10.4

103.9

12.6

< 0.001

HS

FEV1

33.8

7.9

91.5

12.9

< 0.001

HS

FEV/FVC

55.3

10.6

87.6

5.9

< 0.001

HS

FEF 25–75

16.4

6.8

93

8.7

< 0.001

HS

ESR

20.8

12.9

 

CAT score

17.6

5.3

 

MMRC

2.4

0.96

 

Six-minute walk test

292.1

110