Table 3 Summary of the GPR results
XiO | RayStation | ||
|---|---|---|---|
Mean ± SD (range) | Mean ± SD (range) | P value | |
2D GPR | |||
3%/3 mm | 98.1 ± 1.9 | 100.0 ± 0.1 | p < 0.001 |
(93.5–100) | (99.5–100) | ||
3%/2 mm | 95.2 ± 2.9 | 99.8 ± 0.5 | p < 0.001 |
(86.5–99.0) | (97.7–100) | ||
2%/2 mm | 93.3 ± 3.7 | 99.5 ± 0.8 | p < 0.001 |
(82.4–98.7) | (95.7–100) | ||
predicted 3D GPR | |||
3%/3 mm | 91.3 ± 1.6 | 93.9 ± 1.0 | p < 0.001 |
(88.6–94.5) | (91.8–96.2) | ||
3%/2 mm | 85.9 ± 2.3 | 91.2 ± 1.1 | p < 0.001 |
(82.2–91.0) | (89.0–93.5) | ||
2%/2 mm | 82.1 ± 3.5 | 89.5 ± 1.8 | p < 0.001 |
(77.2–87.8) | (86.1–92.3) | ||