Table 3.
Comparing features in pCR and non-pCR groups.
| pCR (n = 40) | Non-pCR (n = 72) | Z/t | P | AUC (95% CI) | |
|---|---|---|---|---|---|
| Post‐NAT enhancing volume (mm3) | 176.05 (31.05, 321.05) | 1704.15 (1010.78, 2397.53) | −5.799 | <0.001 | 0.83 (0.75–0.91)# |
|
| |||||
| Early phase | |||||
| Energy | 12.18 × 106 (0.58 × 106, 25.77 × 106) | 233.12 × 106 (121.26 × 106, 344.97 × 106) | −5.854 | <0.001 | 0.84 (0.76–0.91)# |
| Entropy | 2.49 (2.11, 2.87) | 4.11 (3.87, 4.35) | −5.902 | <0.001 | 0.84 (0.76–0.92)# |
| Mean absolute deviation | 64.29 (47.58, 80.99) | 126.09 (110.88, 141.31) | −5.350 | <0.001 | 0.81 (0.72–0.90)# |
| Robust mean absolute deviation | 39.36 (25.90, 52.83) | 87.41 (75.75, 99.07) | −5.322 | <0.001 | 0.81 (0.71–0.90)# |
| Root mean squared | 267.75 (213.47, 318.03) | 466.01 (417.13, 514.89) | −5.113 | <0.001 | 0.80 (0.70–0.88) |
| Variance | 9.79 × 103 (4.66 × 103, 14.92 × 103) | 30.62 × 103 (23.73 × 103, 37.50 × 103) | −5.447 | <0.001 | 0.81 (0.72–0.90)# |
| rSImean∗ | 0.68 (0.56, 0.81) | 0.93 (0.84, 1.02) | −3.226 | 0.002 | 0.68 (0.58–0.79) |
| rSImedian∗ | 0.67 (0.55, 0.79) | 0.90 (0.81, 1.00) | −3.105 | 0.002 | 0.66 (0.56–0.77) |
| rSI75 percentile∗ | 0.82 (0.66, 0.98) | 1.14 (1.03, 1.26) | −3.416 | 0.001 | 0.69 (0.59–0.80) |
| rSI90 percentile∗ | 0.94 (0.75, 1.13) | 1.39 (1.26, 1.51) | −3.950 | <0.001 | 0.72 (0.62–0.83) |
| rSImaximum | 1.09 (0.86, 1.33) | 1.91 (1.70, 2.13) | −4.621 | <0.001 | 0.76 (0.67–0.86) |
| rSIinterquartile range | 0.27 (0.19, 0.35) | 0.45 (0.40, 0.51) | −4.172 | <0.001 | 0.74 (0.64–0.84) |
| rSIrange | 0.74 (0.54, 0.95) | 1.67 (1.45, 1.90) | −5.204 | <0.001 | 0.79 (0.71–0.88) |
|
| |||||
| Delay phase | |||||
| Energy | 24.26 × 106 (1.18 × 106, 47.35 × 106) | 305.36 × 106 (164.77 × 106, 445.95 × 106) | −5.720 | <0.001 | 0.83 (0.75–0.91)# |
| Entropy | 2.77 (2.37, 3.18) | 4.35 (4.13, 4.57) | −5.691 | <0.001 | 0.83 (0.74–0.91)# |
| Mean absolute deviation | 86.45 (68.58, 104.32) | 146.25 (130.89, 161.62) | −4.579 | <0.001 | 0.76 (0.67–0.86) |
| Robust mean absolute deviation | 54.05 (39.26, 68.85) | 103.74 (92.29, 115.18) | −4.746 | <0.001 | 0.77 (0.67–0.87) |
| Root mean squared | 373.28 (304.75, 441.81) | 576.74 (527.95, 625.52) | −4.755 | <0.001 | 0.77 (0.68–0.87) |
| Variance | 14.78 × 103 (9.05 × 103, 20.50 × 103) | 38.54 × 103 (30.43 × 103, 46.65 × 103) | −4.755 | <0.001 | 0.77 (0.68–0.87) |
| rSImean∗ | 0.89 (0.76, 1.03) | 1.15 (1.06, 1.24) | −3.242 | 0.002 | 0.69 (0.59–0.79) |
| rSImedian∗ | 0.89 (0.76, 1.02) | 1.15 (1.05, 1.24) | −3.254 | 0.002 | 0.68 (0.58–0.78) |
| rSI75 percentile∗ | 1.07 (0.91, 1.24) | 1.42 (1.31, 1.53) | −3.651 | <0.001 | 0.70 (0.60–0.80) |
| rSI90 percentile∗ | 1.21 (1.02, 1.41) | 1.66 (1.53, 1.78) | −4.026 | <0.001 | 0.73 (0.63–0.83) |
| rSImaximum | 1.39 (1.15, 1.64) | 2.16 (1.95, 2.36) | −4.445 | <0.001 | 0.75 (0.66–0.85) |
| rSIinterquartile range | 0.37 (0.28, 0.45) | 0.55 (0.49, 0.61) | −3.419 | 0.001 | 0.70 (0.59–0.81) |
| rSIrange | 0.97 (0.73, 1.20) | 1.90 (1.67, 2.13) | −4.821 | <0.001 | 0.78 (0.68–0.87) |
All data are presented as mean (95% CI); P value with Wilcoxon rank-sum test or independent sample t-test∗; #AUC >0.8.