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Table 7 Inter-observer reliability of posterior spondylosis (К) 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 0,370 0,394 0,296 0,189 0,387 0,268 0,317
L2/L3 0,397 0,352 0,392 0,331 0,383 0,340 0,366
L3/L4 0,291 0,324 0,298 0,324 0,426 0,202 0,311
L4/L5 0,310 0,377 0,286 0,285 0,360 0,344 0,327
L5/S1 0,240 0,310 0,310 0,265 0,265 0,360 0,292
Mean 0,322 0,351 0,316 0,279 0,364 0,303 0,323