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Table 2 Intra-observer and intra-subject repeatability in healthy volunteers

From: Does cervical lordosis change after spinal manipulation for non-specific neck pain? A prospective cohort study

  Intra-observer repeatability Intra-subject repeatability
SEMagreement 3.6° 4.9°
MDC 9.9° 13.5°
ICC (3A,1), (95 % CI) 0.98 (0.962–0991) 0.87 (0.743–0.936)
  1. SEM standard error of measurement; MDC minimum detectable change; ICC (3A, 1) intra-class correlation coefficient two-way single measures mixed effects model (agreement)