Association between clinical parameters and size of three-dimensionally reconstructed anatomical abnormalities in patients with lateral epicondylitis: a cross-sectional study

Table 4 Inter-observer and intra-observer reliabilities of two-dimensional magnetic resonance image measurements

Items	ICC (2, 1) for Intra-observer reliability				ICC (2, k) for Inter-observer reliability
Items	Observer 1	Observer 2	Observer 3	Observer 4	ICC (2, k) for Inter-observer reliability
Muscle edema	0.943	1.000	0.884	0.943	0.788
Joint effusion	0.940	0.872	0.898	0.955	0.863
Collateral ligament injury	0.979	0.837	0.931	0.936	0.890
Cartilage injury	0.919	1.000	0.961	0.919	0.813
Ulnar nerve neuritis	1.000	0.853	0.832	0.956	0.966

ICC (2, 1), intra-class correlation coefficient (ICC) using 2-way random effects and absolute agreement with the single measurement model; ICC (2, k), ICC using 2-way random effects and absolute agreement with the mean of multiple measurements model

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