Table 5.
Intra-observer Reliability
| Mean difference (mm) |
Std. Deviation of the difference |
Lower limit of agreement |
Upper limit of agreement |
95% Confidence Interval of the Difference |
−value for paired samples t- test |
Pearsons correlation coefficient |
p-value for correlation |
|||
|---|---|---|---|---|---|---|---|---|---|---|
| Right clavicle |
Observer 1 v observer 2, n=31 | 0.0 | 0.6 | −1.1 | 1.1 | −0.2 | 0.2 | 0.8014 | 1.000 | <0.0001 |
| Observer 1 v observer 3, n=50 | −0.4 | 1.4 | −3.1 | 2.3 | −0.9 | 0.1 | 0.1452 | 0.999 | <0.0001 | |
| Observer 3 v observer 2, n=30 | −0.4 | 1.2 | −2.8 | 2.0 | −0.8 | 0.1 | 0.0848 | 0.999 | <0.0001 | |
| Left clavicle |
Observer 1 v observer 2, n=31 | −0.1 | 0.6 | −1.2 | 1.0 | −0.3 | 0.1 | 0.4172 | 1.000 | <0.0001 |
| Observer 1 v observer 3, n=50 | −0.3 | 1.3 | −2.9 | 2.2 | −0.8 | 0.1 | 0.1645 | 0.999 | <0.0001 | |
| Observer 3 v observer 2, n=30 | −0.3 | 1.1 | −2.5 | 1.9 | −0.7 | 0.1 | 0.1885 | 1.000 | <0.0001 | |