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Table 2 Intra-observer reliability of intervertebral osteochondrosis (ICC) for 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 B U Mean
L1/L2 0.842 0.865 0.859 0.766 0.833
L2/L3 0.744 0.881 0.867 0.850 0.836
L3/L4 0.773 0.914 0.800 0.848 0.834
L4/L5 0.817 0.869 0.836 0.837 0.840
L5/S1 0.846 0.848 0.744 0.727 0.791
Mean 0.804 0.875 0.821 0.806 0.827