Table 2.
ULM features considered significant after Benjamini-Hochberg correction.
| Feature | p | pCR | Non-pCR | Effect size | Accuracy (%) | AUC |
|---|---|---|---|---|---|---|
| Measurement 1 → 2 | ||||||
| Compensated vessel coverage in % (|ΔF|) | 0.0005 | 28.39 ± 12.52 | 7.50 ± 6.34 | 2.21 [0.48, 3.43] | 84 | 0.95 [0.71, 1.00] |
| Velocity range—skewness (Fmin) | 0.0014 | 0.66 ± 0.11 | 1.14 ± 0.51 | −1.13 [−1.67, 0.70] | 85 | 0.94 [0.71, 1.00] |
| Tortuosity (SOAM)—mean in rad/mm (Fmin) | 0.0018 | 6.07 ± 0.40 | 7.93 ± 1.85 | −1.21 [−1.99, −0.29] | 90 | 0.93 [0.65, 1.00] |
| Track length—median in mm (Fmax) | 0.0018 | 0.57 ± 0.04 | 0.44 ± 0.09 | 1.49 [0.81, 2.19] | 80 | 0.93 [0.67, 1.00] |
| Distances—skewness (|ΔF|) | 0.0018 | 1.41 ± 0.52 | 0.58 ± 0.54 | 1.49 [0.15, 2.88] | 68 | 0.92 [0.62, 1.00] |
| Compensated vessel coverage in % (Fmax) | 0.0023 | 41.71 ± 11.45 | 16.06 ± 14.57 | 1.83 [0.71, 3.42] | 80 | 0.92 [0.69, 0.99] |
| Tortuosity (SOAM)—median in rad/mm (Fmin) | 0.0049 | 3.92 ± 0.56 | 5.80 ± 2.09 | −1.08 [−1.60, −0.33] | 75 | 0.89 [0.60, 0.98] |
Given for an FDR of 5% (highlighted in bold) or 10%. From left to right: feature name, nominal p-value, mean ± standard deviation of patients with pCR and non-pCR, effect size (Hedges' g with bootstrapped 95% confidence interval), cross-validated predictive accuracy, AUC with bootstrapped 95% confidence interval.