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Official Journal of the Italian Society of Orthopaedics and Traumatology

Table 2 Interobserver agreement between femoral version determination, as evaluated via Pearson’s correlation coefficient (r), and the mean difference (°) between observers along with the standard deviation of this difference, which indicates interobserver variance

From: Impact of specialty and level of training on CT measurement of femoral version: an interobserver agreement analysis

Measurements compared

Pearson’s correlation coefficient (r)

Mean difference (SD)

ORTHO vs. RAD

0.661**

4.1 (4.4)

PGY4 vs. RAD

0.477**

4.9 (6.9)

PGY1 vs. RAD

0.139*

7.5 (6.6)

ORTHO vs. PGY4

0.543**

4.9 (6.4)

ORTHO vs. PGY1

0.061

7.7 (7.3)

PGY4 vs. PGY1

0.110

8.2 (8.1)

Ortho totala vs. RAD

0.599**

4.3 (4.0)

  1. aOrtho total = mean measurement of ORTHO, PGY4, PGY1
  2. ** p < 0.01; * p < 0.05