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Table 4 Spirometry and lung volume changes after the Nuss procedure

From: Pulmonary function before and after the Nuss procedure in adolescents with pectus excavatum: correlation with morphological subtypes

 

Symmetric type

p a

Asymmetric type

p a

p b

FVC

−20.3 ± 5.2

<0.0001*

−18.8 ± 9.9

0.0005*

0.8671

FEV1

−15.3 ± 6.6

0.0001*

−15.6 ± 10.4

0.002*

0.8012

FEV1/FVC

5.4 ± 4.7

0.0081*

4.7 ± 4

0.0078*

0.8656

FEF25–75

9.4 ± 22.6

0.2445

10.2 ± 10.3

0.0178*

0.9135

PEF

3.3 ± 9.6

0.3282

−8.1 ± 9.9

0.0391*

0.0151*

MVV

8.1 ± 9.9

0.0397*

7.4 ± 20.8

0.3134

0.9249

TLC

−7.2 ± 12

0.2525

−6.6 ± 9.1

0.0626

0.9083

VC

−20.2 ± 7.3

0.0035*

−18 ± 11.7

0.0017*

0.6916

IC

−18.8 ± 20.2

0.1064

−16.4 ± 14.2

0.0084*

0.2269

RV

41.8 ± 64.5

0.2211

37.4 ± 32.9

0.0092*

0.9985

RV/TLC

41.6 ± 41.8

0.0903

48.6 ± 33.6

0.0025*

0.8341

  1. FEF25–75 = forced inspiratory flow from 25% exhalation to 75% exhalation; FEV1 = forced expiratory volume in 1 second; FVC = forced vital capacity; IC = inspiratory capacity; MVV = maximum voluntary ventilation; PEF = peak expiratory flow; RV = residual volume; TLC = total lung capacity; VC = vital capacity.
  2. aThe p values of the difference between the postoperative parameters and the preoperative parameters.
  3. bThe p values of the difference between the symmetric type and the asymmetric type.
  4. *Values of p < 0.05 are statistically significant.