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Table 3 Internal consistency of CH-ATRS

From: The chinese version of achilles tendon total rupture score: cross-cultural adaptation, reliability and validity

Question Mean ± SD if item deleted Corrected item-total correlation Alpha if item removed
1 51.90 ± 12.14 0.762 0.879
2 52.48 ± 12.25 0.698 0.885
3 52.45 ± 12.17 0.742 0.881
4 52.90 ± 12.33 0.642 0.891
5 52.46 ± 12.36 0.665 0.890
6 52.84 ± 12.56 0.616 0.892
7 50.42 ± 12.66 0.793 0.879
8 50.34 ± 12.61 0.769 0.879
9 50.43 ± 12.50 0.950 0.871
10 50.54 ± 12.44 0.788 0.877
Total score 57.42 ± 13.70 1.000 0.893
  1. SD standard deviation