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Table 5 Pre-posttreatment changes in categorical data

From: Role of inferior vena cava assessment in volume management in acute kidney injury patients

Group

Parameter

-ve pre/-ve post

-ve pre/ā€‰+ā€‰ve post

ā€‰+ā€‰ve pre/-ve post

ā€‰+ā€‰ve pre/ā€‰+ā€‰ve post

p Value

Group 1

Dyspnea

31

1

10

2

0.012

Edema

32

1

6

5

0.727

Congested neck vein

40

0

2

2

0.500

Group 2

Dyspnea

30

0

7

7

0.063

Edema

24

9

5

6

1.000

Congested neck vein

39

0

3

2

0.250

  1. Data is N. test of significance is McNemarā€™s test