Table 4 Inter-observer variability for IG-4D and IG-ITV separately in left-right direction (LR), superior-inferior direction (SI) and anterior-posterior direction (AP)
Variability as standard deviation between observers | Variability as maximum range between observers | ||||||
|---|---|---|---|---|---|---|---|
LR[mm] | SI[mm] | AP[mm] | LR[mm] | SI[mm] | AP[mm] | ||
IG-4D | All observers | 0.3 | 0.6 | 0.3 | 0.9 | 1.8 | 0.7 |
ROs | 0.3 | 0.5 | 0.2 | 0.6 | 0.9 | 0.4 | |
RTTS | 0.3 | 0.4 | 0.3 | 0.5 | 0.8 | 0.6 | |
IG-ITV | All observers | 0.8 | 1.5 | 1.0 | 2.2 | 3.8 | 2.8 |
ROs | 0.8 | 1.6 | 0.9 | 1.6 | 3.1 | 1.7 | |
RTTS | 0.6 | 1.2 | 0.9 | 1.1 | 2.2 | 1.8 | |