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Table 4 ANOVA tables for the effect of anatomical model in planning for DORV-TGA cases. Response variable is case length of time

From: 3D printing for congenital heart disease: a single site’s initial three-yearexperience

Case length of time (Anatomical Model vs Traditional Planning): DORV (TGA-type)

Source

D.F.

Adj. S.S.

Adj. M.S.

F-Value

P-Value

3DP

1

26,368

26,368

1.88

0.207

Error

8

111,962

13,995

  

Total

9

138,330

   

Planning

N

Mean (minutes)

St.Dev

95 C.I.

 

SoC

8

359.4

118.4

(262.9, 455.8)

 

3DP

2

231.0

117.4

(38.1, 423.9)

 
  1. Case length of time’s Cohen’s d effect size was large (1.098) suggesting a practical difference between SoC and 3DP case length of time for DORV patient cases. This large effect size further suggests the study p-value was likely poor because the study population size not due to poor trends
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3D Printing in Medicine

ISSN: 2365-6271

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