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Table 7 Summary of mean differences between intraoperative and image-based measurements for bias corrected intraoperative measures

From: CT validation of intraoperative imageless navigation (Naviswiss) for component positioning accuracy in primary total hip arthroplasty in supine patient position: a prospective observational cohort study in a single-surgeon practice

Sign

Mean Delta

SE

SD

95%LCI

95%UCI

Lower LOA

Upper LOA

Inclination

-0.002

0.63

3.7

-1.2

1.2

-7.2

7.2

Version

0

0.59

3.4

-1.2

1.2

-6.7

6.7

Offset

-0.003

0.68

4.0

-1.3

1.3

-7.8

7.8

Leg Length

0.006

0.75

4.4

-1.5

1.5

-8.6

8.6

Absolute

 Inclination

3

0.36

2.1

2.2

3.7

  

 Version

2.8

0.37

2.2

2

3.5

  

 Offset

3.3

0.35

2.0

2.6

4

  

 Leg Length

3.5

0.43

2.5

2.7

4.3

  
  1. LOA limits of agreement, LCI lower confidence interval, UCI upper confidence interval, SE standard error of the estimate, SD standard deviation