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Table 8 Intra-observer reliability of posterior spondylosis (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 0,382 0,327 0,324 0,419 0,363
L2/L3 0,317 0,397 0,383 0,383 0,370
L3/L4 0,210 0,369 0,268 0,298 0,286
L4/L5 0,337 0,343 0,312 0,318 0,328
L5/S1 0,315 0,316 0,244 0,324 0,300
Mean 0,312 0,350 0,306 0,348 0,329