Table 2: CDH study group classifications, defect size in square centimeters, abnormal results of perfusion scintigraphy, or mean difference in perfusion between the two lungs across groups defined by presence of a hernia sac.

 

+ Hernia sac

(n = 9)

- Hernia sac

(n = 20)

Defect size

 

 

A

3

8

B

5

5

C

1

3

D

0

4

Defect area

14.92 (8.32)

19.87 (15.5)

Abnormal perfusion study

7

16

Mean perfusion difference

32.0 (18.5)

35.3 (22.4)