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Table 4 Intraobserver agreement

From: Comparing the MRI-based Goutallier Classification to an experimental quantitative MR spectroscopic fat measurement of the supraspinatus muscle

 

Observer 1

Observer 2

Observer 3

Observer 4

Observer 5

ρ

0.680*

0.646*

0.708*

0.719*

0.967*

  1. Median intraobserver reliability was substantial with R = 0.74. The t1-weighted semi-oblique slices were rated a second time after 3 weeks in a randomized order. Correlation was calculated using Spearman's rank correlation test. (*p < 0.05)