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Table 10 Intra-observer reliability of spondyloarthritis (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 0,322 0,293 0,306 0,302 0,306
L2/L3 0,269 0,237 0,324 0,327 0,289
L3/L4 0,298 0,293 0,292 0,223 0,277
L4/L5 0,322 0,299 0,327 0,363 0,328
L5/S1 0,365 0,320 0,286 0,230 0,300
Mean 0,315 0,288 0,307 0,289 0,300