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Table 1 Test scores (mean (SD)), intra-rater reliability and agreement for the foot classification measures

From: Clinical measures of static foot posture do not agree

  Scores Intra-rater reliability (ICC) Classification Agreement (Kw)
Test Retest
FPI-6 4 (4)a 3 (4)a .93 .92
RFA (°) -3 (3) - 3 (3) .93 .60
MLAA (°) 136 (10) 136 (9) .91 .92
ND (mm) 7 (3) 6 (3) .40b .40
  1. - represents valgus for RFA
  2. aUn-transformed scores
  3. bWeighted Kappa