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Table 1 Respiratory parameters before and after surgery. This table shows the respiratory parameters measured using OEP during quiet breathing before and 6 months after unilateral diaphragmatic plication

From: Chest wall mechanics before and after diaphragm plication

 

Before operation

6 months

 
 

Mean

SD

Mean

SD

P value

Overall tidal volume (L)

0.65

0.14

0.83

0.1

<0.05

Tidal volume on the operated side (L)

0.31

0.07

0.42

0.05

<0.05

Tidal volume on the non operated side (L)

0.34

0.08

0.42

0.05

<0.05

Minute ventilation (L)

11.2

2.11

13.24

2.01

<0.05

Mean inspiratory flow (L/Sec)

0.49

0.11

0.64

0.03

<0.05

Mean expiratory flow (L/Sec)

0.31

0.07

0.34

0.07

0.11

Overall pulmonary rib cage tidal volume (L)

0.1

0.04

0.08

0.02

0.45

Overall abdominal rib cage tidal volume (L)

0.01

0.02

0.16

0.03

<0.05

Overall abdominal tidal volume (L)

0.55

0.11

0.59

0.08

0.06

Pulmonary rib cage tidal volume – non-operated side (L)

0.05

0.02

0.06

0.01

0.06

Pulmonary rib cage tidal volume – operated side (L)

0.04

0.02

0.02

0.01

0.1

Abdominal rib cage tidal volume – non- operated side (L)

0.01

0.01

0.06

0.02

<0.05

Abdominal rib cage tidal volume – operated side (L)

0

0.01

0.1

0.02

<0.05

Abdominal tidal volume – non-operated side (L)

0.28

0.06

0.3

0.05

0.08

Abdominal tidal volume – operated side (L)

0.27

0.05

0.29

0.03

<0.05