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Table 3 Rater-agreement of the TIR test and the pivot shift test

From: A novel test for assessment of anterolateral rotatory instability of the knee: the tibial internal rotation test (TIR test)

  N= κ SE 95% confidence interval P value
intra-rater (κC) 13     
 30° of flexion   0.63 0.33 − 0.02-1.28 0.015
 60° of flexion   0.63 0.33 −0.02-1.28 0.015
 90° of flexiona     
 all flexion angles combined   0.63 0.33 −0.02-1.28 0.015
 pivot shift test (κw)   0.22 0.39 −0.55-0.99 n.s.
inter-rater (κF) 50     
 30° of flexion   0.29 0.14 0.02–0.57 0.038
 60° of flexion   0.29 0.14 0.02–0.57 0.038
 90° of flexion   −0.08 0.14 −0.35-0.20 n.s.
 all flexion angles combined   0.29 0.14 0.02–0.57 0.038
 pivot shift test   0.27 0.09 0.09–0.44 0.003
rater-device (κC) 26     
 30° of flexion   0.60 0.21 0.19–1.01 0.002
 60° of flexion   0.60 0.21 0.19–1.01 0.002
 90° of flexion   0.62 0.24 0.15–1.10 0.001
 all flexion angles combined   0.57 0.19 0.20–0.94 0.003
  1. aNo kappa coefficient could be calculated
  2. n.s. not significant