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Table 1 Number of cases identified by each observer for each spondylolisthesis type

From: Reliability and development of a new classification of lumbosacral spondylolisthesis

  Spondylolisthesis type
  Type 1 Type 2 Type 3 Type 4 Type 5 Type 6 Type 7 Type 8
Observer 1 14 7 0 2 1 4 2 10
Observer 2 6 6 3 7 3 5 2 8
Observer 3 6 8 2 5 5 6 2 6
Observer 4 7 9 1 6 1 1 3 12
Observer 5 9 8 4 4 1 2 6 6
Observer 6 8 8 0 5 4 6 2 7