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Table 5 Correlation between the TIR test and other diagnostic tests for ALRI

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

  pivot shift test (N = 52) pivot shift test grade II-III (N = 33) anterior drawer test with foot in internal rotation (N = 52)
  r (rb) P value FE (P value) FE (P value)
30° of flexion 0.05 0.815 1 0.264
60° of flexion 0.05 0.815 1 0.264
90° of flexion 0.16 0.503 1 0.379
all flexion angles combined 0.05 0.815 1 0.264
  1. r(rb) = rank biserial correlation
  2. FE = Fisher’s exact test