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Table 3 ICC (2,1) of digital goniometer and Zebris for the left and right rotation. (ICC (2,1) = Intraclass Correlation Coefficient; CI = Confidence Interval)

From: Concurrent validity and reliability of measuring range of motion during the cervical flexion rotation test with a novel digital goniometer

  ICC [95%CI]
Left rotation
 Individual .95 .92 .97
 Average .97 .96 .98
Right rotation
 Individual .94 .90 .96
 Average .97 .95 .98