Table 2 Intra- and inter-reader coefficient of variation of the BTV
CoV BTV | Mirror-image [median (range)] | Guided crescent-shape [median (range)] | p value |
|---|---|---|---|
Intra-reader variability | Â | Â | Â |
 Overall group | 0% (0–3.88%) | 6.77% (0–65.23%) |  < 0.0001 |
  Reader #1 | 0% (0–2.51%) | 3.02% (1.33–48.74%) | 0.002 |
  Reader #2 | 0% (0–2.51%) | 8.36% (2.16–32.16%) | 0.002 |
  Reader #3 | 0% (0–0.65%) | 6.73% (1.62–18.28%) | 0.002 |
  Reader #4 | 0% (0–0.52%) | 4.14% (0.70–52.65%) | 0.002 |
  Reader #5 | 0% (0–0.65%) | 5.30% (2.20–21.56%) | 0.002 |
  Reader #6 | 0% (0–3.88%) | 13.72% (0–65.23%) | 0.004 |
  Reader #7 | 0% (0–0.66%) | 12.91% (3.96–31.97%) | 0.002 |
Inter-reader variability | Â | Â | Â |
 Overall group | 0.05% (0–36.00%) | 14.37% (5.03–36.30%) | 0.002 |