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Table 4 Intra-observer reliability of vertebral osteosclerosis (К) 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 0,469 0,438 0,404 0,400 0,428
L2/L3 0,466 0,418 0,471 0,435 0,448
L3/L4 0,424 0,443 0,398 0,401 0,417
L4/L5 0,486 0,440 0,456 0,451 0,458
L5/S1 0,433 0,454 0,466 0,460 0,453
Mean 0,456 0,439 0,439 0,429 0,441