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Table 1 Inter-observer reliability of intervertebral osteochondrosis (ICC) between different observers (W, K, B, and U) and for different spinal segments (L1/2 to L5/S1)

From: Evaluation criteria for the assessment of occupational diseases of the lumbar spine - how reliable are they? -

Segment Observers
W/K W/B W/U K/B K/U B/U Mean
L1/L2 0.698 0.696 0.735 0.751 0.732 0.716 0.721
L2/L3 0.770 0.790 0.686 0.799 0.865 0.787 0.783
L3/L4 0.769 0.791 0.743 0.677 0.858 0.740 0.763
L4/L5 0.817 0.818 0.800 0.731 0.803 0.757 0.788
L5/S1 0.812 0.670 0.708 0.728 0.773 0.676 0.728
Mean 0.773 0.753 0.734 0.737 0.806 0.735 0.757