Table 2.
Relative differences in relation to the predefined functional values for all registration variants depending on quadrant using mean (A) and median (B) values.
| (A) Relative difference (mean values) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JVent | RVent | QA | ||||||||||
| Description | REF | ANTs | F-REG | M-REG | REF | ANTs | F-REG | M-REG | REF | ANTs | F-REG | M-REG |
| UR | −0.03 (−0.03 to −0.03) | −0.86 (−0.88 to −0.73) | −0.50 (−0.55 to −0.31) | −0.61 (−1.19 to −0.30) | −0.03 (−0.04 to −0.03) | 0.05 (0.02 to 0.15) | −0.11 (−0.12 to −0.09) | −0.09 (−0.13 to −0.06) | −0.00 (−0.01 to 0.00) | −0.00 (−0.01 to 0.00) | −0.19 (−0.21 to −0.17) | −0.09 (−0.14 to −0.06) |
| UL | −0.03 (−0.03 to −0.03) | −0.85 (−0.88 to −0.77) | −0.51 (−0.55 to −0.33) | −0.66 (−0.97 to −0.32) | −0.03 (−0.04 to −0.03) | 0.05 (0.02 to 0.11) | −0.10 (−0.11 to −0.08) | −0.10 (−0.12 to −0.07) | −0.00 (−0.01 to 0.00) | −0.01 (−0.02 to 0.00) | −0.19 (−0.20 to −0.19) | −0.09 (−0.14 to −0.07) |
| LR | −0.03 (−0.03 to −0.03) | 0.69 (0.60 to 0.73) | 0.36 (0.25 to 0.45) | 0.03 (−0.10 to 0.31) | −0.03 (−0.04 to −0.03) | 1.16 (0.73 to 2.03) | −0.07 (−0.08 to −0.05) | −0.05 (−0.07 to −0.03) | 0.00 (−0.00 to 0.00) | −0.02 (−0.04 to −0.02) | −0.17 (−0.17 to −0.16) | −0.10 (−0.14 to −0.06) |
| LL | −0.03 (−0.03 to −0.03) | 0.69 (0.59 to 0.74) | 0.40 (0.26 to 0.46) | −0.18 (−0.50 to 0.22) | −0.04 (−0.04 to −0.03) | 0.63 (0.49 to 0.96) | −0.08 (−0.09 to −0.06) | −0.06 (−0.09 to −0.04) | −0.00 (−0.01 to 0.00) | −0.02 (−0.04 to −0.01) | −0.17 (−0.19 to −0.15) | −0.13 (−0.18 to −0.07) |
| Omnibus quadrants | 3.27e−09 (****) | 1.84e−10 (****) | 2.07e−10 (****) | 1.49e−05 (****) | 9.36e−01 (n.s.) | 2.77e−10 (****) | 4.85e−05 (****) | 3.04e−04 (***) | 6.02e−01 (n.s.) | 6.02e−04 (***) | 2.71e−04 (***) | 6.82e−01 (n.s.) |
| UR vs. LR | 1.01e−04 (***) | 8.86e−05 (****) | 8.86e−05 (****) | 1.40e−04 (***) | − (−) | 8.86e−05 (****) | 5.93e−04 (***) | 5.11e−03 (**) | − (−) | 2.50e−03 (**) | 1.11e−02 (*) | − (−) |
| UL vs. LL | 3.81e−05 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 1.02e−03 (**) | − (−) | 8.86e−05 (****) | 3.19e−03 (**) | 5.73e−03 (**) | − (−) | 7.19e−03 (**) | 4.49e−04 (***) | − (−) |
| Description | Omnibus REF | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | Omnibus F-REG | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | ||||
| UR | 1.95e−07 (****) | 4.79e−02 (*) | 8.86e−05 (****) | 8.86e−05 (****) | 2.06e−09 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 8.86e−05 (****) | ||||
| UL | 1.37e−07 (****) | 3.19e−03 (**) | 8.86e−05 (****) | 8.86e−05 (****) | 1.25e−08 (****) | 8.86e−05 (****) | 1.40e−04 (***) | 8.86e−05 (****) | ||||
| LR | 8.76e−08 (****) | 1.11e−02 (*) | 8.86e−05 (****) | 8.86e−05 (****) | 2.06e−09 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 8.86e−05 (****) | ||||
| LL | 5.06e−08 (****) | 6.42e−03 (**) | 8.86e−05 (****) | 8.86e−05 (****) | 2.06e−09 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 8.86e−05 (****) | ||||
| Description | Omnibus ANTs | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | Omnibus M-REG | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | ||||
| UR | 5.06e−08 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 8.92e−04 (***) | 5.03e−06 (****) | 1.03e−04 (***) | 1.40e−04 (***) | 7.94e−01 (n.s.) | ||||
| UL | 1.25e−08 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 1.89e−04 (***) | 5.29e−06 (****) | 1.03e−04 (***) | 1.03e−04 (***) | 7.65e−01 (n.s.) | ||||
| LR | 8.76e−08 (****) | 1.94e−03 (**) | 8.86e−05 (****) | 8.86e−05 (****) | 9.59e−04 (***) | 4.79e−02 (*) | 1.00e−02 (**) | 2.19e−04 (***) | ||||
| LL | 2.91e−07 (****) | 2.96e−01 (n.s.) | 8.86e−05 (****) | 8.86e−05 (****) | 2.12e−01 (n.s.) | − (−) | − (−) | − (−) | ||||
| (B) Relative difference (median values) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| JVent | RVent | QA | ||||||||||
| Description | REF | ANTs | F-REG | M-REG | REF | ANTs | F-REG | M-REG | REF | ANTs | F-REG | M-REG |
| UR | −0.03 (−0.03 to −0.03) | −0.93 (−0.94 to −0.85) | −0.56 (−0.58 to −0.33) | −1.01 (−1.64 to −0.65) | −0.03 (−0.04 to −0.03) | −0.03 (−0.04 to −0.02) | −0.06 (−0.06 to −0.05) | −0.05 (−0.09 to −0.03) | 0.00 (−0.01 to 0.01) | −0.01 (−0.01 to 0.00) | −0.03 (−0.04 to −0.03) | −0.09 (−0.10 to −0.06) |
| UL | −0.03 (−0.03 to −0.03) | −0.92 (−0.94 to −0.84) | −0.54 (−0.59 to −0.37) | −1.04 (−1.36 to −0.69) | −0.03 (−0.04 to −0.03) | −0.02 (−0.03 to −0.02) | −0.06 (−0.06 to −0.05) | −0.05 (−0.07 to −0.04) | −0.00 (−0.00 to 0.01) | −0.01 (−0.01 to 0.00) | −0.03 (−0.04 to −0.03) | −0.07 (−0.09 to −0.06) |
| LR | −0.03 (−0.03 to −0.03) | 0.70 (0.63 to 0.75) | 0.43 (0.36 to 0.54) | −0.36 (−0.57 to −0.13) | −0.03 (−0.05 to −0.03) | −0.02 (−0.03 to −0.01) | −0.04 (−0.05 to −0.03) | −0.04 (−0.05 to −0.01) | −0.00 (−0.01 to 0.01) | −0.01 (−0.02 to −0.01) | −0.04 (−0.04 to −0.03) | −0.08 (−0.10 to −0.06) |
| LL | −0.03 (−0.03 to −0.03) | 0.69 (0.62 to 0.74) | 0.47 (0.34 to 0.55) | −0.56 (−0.80 to −0.17) | −0.03 (−0.04 to −0.03) | −0.03 (−0.04 to −0.02) | −0.05 (−0.06 to −0.04) | −0.06 (−0.06 to −0.04) | −0.00 (−0.01 to 0.00) | −0.01 (−0.02 to −0.00) | −0.04 (−0.04 to −0.02) | −0.09 (−0.10 to −0.07) |
| Omnibus quadrants | 1.00e+00 (n.s.) | 2.01e−10 (****) | 2.13e−10 (****) | 1.62e−04 (***) | 7.96e−01 (n.s.) | 7.13e−02 (n.s.) | 2.21e−03 (**) | 1.92e−01 (n.s.) | 5.16e−01 (n.s.) | 1.48e−02 (*) | 6.02e−01 (n.s.) | 7.39e−01 (n.s.) |
| UR vs. LR | − (−) | 8.86e−05 (****) | 8.86e−05 (****) | 2.93e−04 (***) | − (−) | − (−) | 6.81e−04 (***) | − (−) | − (−) | 3.33e−02 (*) | − (−) | − (−) |
| UL vs. LL | − (−) | 8.86e−05 (****) | 8.86e−05 (****) | 3.59e−03 (**) | − (−) | − (−) | 8.97e−03 (**) | − (−) | − (−) | 2.51e−02 (*) | − (−) | − (−) |
| Description | Omnibus REF | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | Omnibus F-REG | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | ||||
| UR | 1.95e−07 (****) | 4.38e−02 (*) | 8.86e−05 (****) | 8.86e−05 (****) | 5.33e−09 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 1.63e−04 (***) | ||||
| UL | 8.76e−08 (****) | 2.51e−02 (*) | 8.86e−05 (****) | 8.86e−05 (****) | 5.33e−09 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 1.03e−04 (***) | ||||
| LR | 1.37e−07 (****) | 3.04e−02 (*) | 8.86e−05 (****) | 8.86e−05 (****) | 2.50e−07 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 2.28e−02 (*) | ||||
| LL | 8.76e−08 (****) | 5.11e−03 (**) | 8.86e−05 (****) | 8.86e−05 (****) | 5.06e−08 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 1.51e−03 (**) | ||||
| Description | Omnibus ANTs | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | Omnibus M-REG | JVent vs. Rvent | JVent vs. QA | RVent vs. QA | ||||
| UR | 2.64e−08 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 7.80e−04 (***) | 2.91e−07 (****) | 8.86e−05 (****) | 1.03e−04 (***) | 5.11e−03 (**) | ||||
| UL | 2.06e−09 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 1.25e−08 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 1.02e−03 (**) | ||||
| LR | 1.95e−07 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 5.22e−02 (n.s.) | 1.18e−06 (****) | 1.89e−04 (***) | 3.90e−04 (***) | 2.19e−04 (***) | ||||
| LL | 1.25e−08 (****) | 8.86e−05 (****) | 8.86e−05 (****) | 2.50e−03 (**) | 3.90e−04 (***) | 1.16e−03 (**) | 1.71e−03 (**) | 1.32e−03 (**) | ||||
Respective omnibus and post-hoc test results for differences regarding quadrants (omnibus quadrants) and parameters (omnibus registration abbreviation) are included as well. p ≤ 0.05 (*), p ≤ 0.01 (**), p ≤ 0.001 (***), p ≤ 0.0001 (****). Please note that the numbers displayed in this table are rounded to two decimal places. As a result, different values may appear identical despite minor differences in their actual values. REF: reference (known) registration, ANTs: advanced normalization tools, F-Reg: Forsberg registration, M-Reg: Matlab registration, RVent: regional ventilation, JVent: Jacobian determinant ventilation, QA: perfusion amplitude, UR: upper right, UL: upper left, LR: lower right, LL: lower left.