Table 4.
Inter-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 | −1.5 | 2.7 | −6.8 | 3.7 | −2.5 | −0.6 | 0.0032 | 0.997 | <0.0001 |
| Observer 1 v observer 3, n=50 | −1.7 | 3.6 | −8.7 | 5.3 | −2.7 | −0.7 | 0.0016 | 0.996 | <0.0001 | |
| Observer 3 v observer 2, n=30 | −1.1 | 3.1 | −7.1 | 5.0 | −2.2 | 0.1 | 0.0713 | 0.996 | <0.0001 | |
| Left clavicle |
Observer 1 v observer 2, n=31 | −2.4 | 2.8 | −7.8 | 3.1 | −3.4 | −1.3 | 0.0000 | 0.997 | <0.0001 |
| Observer 1 v observer 3, n=50 | −2.0 | 2.4 | −6.8 | 2.8 | −2.7 | −1.3 | 0.0000 | 0.998 | <0.0001 | |
| Observer 3 v observer 2, n=30 | 0.2 | 2.9 | −5.4 | 5.8 | −0.9 | 1.3 | 0.7062 | 0.996 | <0.0001 | |