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Table 2 Reliability of craniocervical flexion ROM measures in each stage of the CCFT

From: A novel use of inertial sensors to measure the craniocervical flexion range of motion associated to the craniocervical flexion test: an observational study

  Examiner A Examiner B
ICC (95% CI) SEM ICC (95% CI) SEM
Intra-rater reliability
 22 mmHg 0.85 (0.71–0.92) 0.94 0.87 (0.79–0.94) 1.00
 24 mmHg 0.81 (0.73–0.89) 1.28 0.83 (0.78–0.94) 1.39
 26 mmHg 0.90 (0.81–0.95) 1.19 0.88 (0.79–0.94) 1.28
 28 mmHg 0.95 (0.90–0.97) 0.94 0.90 (0.81–0.96) 1.32
 30 mmHg 0.92 (0.84–0.96) 0.91 0.90 (81–0.95) 1.41
 Full ROM 0.83 (0.74–0.92) 3.21 0.86 (0.73–0.92) 3.06
  1st measure 2nd measure
ICC (95% CI) SEM ICC (95% CI) SEM
Inter-rater reliability
 22 mmHg 0.80 (0.63–0.89) 1.12º 0.78 (0.67–0.86) 1.13º
 24 mmHg 0.84 (0.72–0.92) 1.19º 0.83 (0.69–0.91) 1.32º
 26 mmHg 0.90 (0.81–0.95) 1.17º 0.88 (0.77–0.93) 1.28º
 28 mmHg 0.91 (0.83–0.95) 1.26º 0.90 (0.81–0.94) 1.30º
 30 mmHg 0.92 (0.84–0.96) 1.24º 0.90 (0.82–95) 1.39º
 Full ROM 0.86 (0.73–0.92) 2.29º 0.96 (0.92–0.98) 1.62º
  1. mmHg millimetres of mercury