Table 1 Reliability estimates
From: Reliability and diagnostic validity of a joint vibration analysis device
Item | ICC or Kappa | 95% CI* |
|---|---|---|
Clinical Data | ||
 Pain Free Opening | 0.94 | 0.67 – 0.99 |
 Maximum Unassisted Opening | 0.88 | 0.40 – 0.98 |
 Maximum Assisted Opening | 0.98 | 0.89 – 1.0 |
 Lateral Deviation | 87.5% (Kappa) |  |
Test-Retest Reliability of Selection of JVA Traces | ||
 Total Integral | 0.99 | 0.98 – 1.0 |
 Integral <300 | 0.99 | 0.97 – 0.99 |
 Integral > 300 | 1.0 | 0.99 – 1.0 |
  > 300/< 300 Ratio | 0.91 | 0.82 – 0.96 |
Test-Retest Reliability of JVA traces provided by subject at 30Â min | ||
 Total Integral | 0.90 | 0.84 – 0.93 |
 Integral <300 | 0.89 | 0.83 – 0.93 |
 Integral > 300 | 0.91 | 0.87 – 0.94 |
 Ratio >300/< 300 | 0.63 | 0.44 – 0.76 |
 Peak Amplitude | 0.87 | 0.81 – 0.92 |
 Peak Frequency | 0.77 | 0.65 – 0.85 |
 Median Frequency | 0.70 | 0.54 – 0.80 |