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Table 2 Intra-operative characteristics comparing freehand and guided surgery K-wire placement compared to the pre-operative plan

From: Computer-assisted subcapital correction osteotomy in slipped capital femoral epiphysis using individualized drill templates

Intra-operative Characteristics

Direction

Freehand

Mean ± STD

Guided

Mean ± STD

p value

Duration (minutes)

 

4.1 ± 2.0

1.5 ± 0.7

< 0.001

Number of X-rays

Antero-posterior

10 ± 3

2 ± 1

< 0.001

Medio-lateral

4 ± 3

1 ± 1

< 0.001

Pooled

14 ± 5

3 ± 1

< 0.001

  1. Statistically significant p values (p < 0.05) are in bold. Pooled data include values reported for both views. Compared to freehand surgeries, guided surgeries were significantly faster and required less numbers of intra-operative x-rays
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3D Printing in Medicine

ISSN: 2365-6271

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