Table 2.
Measurement | AUC [95% CI] | p-Value | Mean ± SD | Best Cutoff for ROC Curve | |
---|---|---|---|---|---|
Non-pCR (N = 51) | pCR (N = 49) | ||||
LD at 1 min, cm | |||||
BL | 0.58 [0.47–0.70] | 0.148 | 3.58 ± 1.54 | 3.24 ± 1.75 | 4.35 |
C2 | 0.72 [0.61–0.82] | <0.001 | 2.92 ± 1.45 | 2.06 ± 1.34 | 1.45 |
C4 | 0.76 [0.66–0.85] | <0.001 | 2.34 ± 1.41 | 1.74 ± 1.57 | 0.95 |
%C2/BL | 0.75 [0.66–0.85] | <0.001 | −16.94 ± 21.88 | −36.12 ± 22.10 | −19.38 |
%C4/BL | 0.77 [0.68–0.86] | <0.001 | −32.58 ± 27.78 | −67.88 ± 34.78 | −49.58 |
LD at 7 min, cm | |||||
BL | 0.58 [0.47–0.70] | 0.156 | 3.71 ± 1.51 | 3.39 ± 1.77 | 4.20 |
C2 | 0.71 [0.61–0.81] | <0.001 | 3.11 ± 1.49 | 2.25 ± 1.33 | 2.45 |
C4 | 0.76 [0.66–0.85] | <0.001 | 2.71 ± 1.72 | 1.39 ± 1.52 | 1.35 |
%C2/BL | 0.76 [0.67–0.86] | <0.001 | −14.84 ± 21.46 | −31.24 ± 18.37 | −15.39 |
%C4/BL | 0.75 [0.65–0.84] | <0.001 | −23.91 ± 47.09 | −58.85 ± 35.06 | −49.14 |
TV at 1 min, cm3 | |||||
BL | 0.61 [0.50–0.72] | 0.061 | 24.22 ± 32.09 | 15.14 ± 27.26 | 22.65 |
C2 | 0.73 [0.63–0.83] | <0.001 | 12.80 ± 18.53 | 4.72 ± 8.02 | 4.42 |
C4 | 0.77 [0.68–0.86] | <0.001 | 7.55 ± 15.63 | 2.20 ± 5.47 | 0.32 |
%C2/BL | 0.77 [0.67–0.86] | <0.001 | −39.21 ± 39.23 | −69.29 ± 26.64 | −67.46 |
%C4/BL | 0.77 [0.68–0.87] | <0.001 | −62.41 ± 39.34 | −86.94 ± 23.91 | −99.40 |
TV at 7 min, cm3 | |||||
BL | 0.60 [0.49–0.71] | 0.080 | 25.23 ± 32.61 | 16.62 ± 28.24 | 30.37 |
C2 | 0.73 [0.63–0.83] | <0.001 | 13.65 ± 19.84 | 5.53 ± 8.98 | 4.21 |
C4 | 0.77 [0.67–0.86] | <0.001 | 8.84 ± 17.45 | 2.69 ± 6.35 | 0.77 |
%C2/BL | 0.75 [0.65–0.85] | <0.001 | −38.51 ± 35.95 | −66.41 ± 22.50 | −56.42 |
%C4/BL | 0.76 [0.67–0.85] | <0.001 | −59.77 ± 40.96 | −85.73 ± 19.25 | −72.83 |
ETV at 1 min, cm3 | |||||
BL | 0.62 [0.51–0.73] | 0.038 | 12.98 ± 13.89 | 10.14 ± 23.64 | 13.55 |
C2 | 0.80 [0.70–0.89] | <0.001 | 5.30 ± 6.07 | 2.09 ± 4.19 | 1.25 |
C4 | 0.82 [0.73–0.90] | <0.001 | 2.75 ± 5.58 | 1.07 ± 3.82 | 0.54 |
%C2/BL | 0.76 [0.66–0.86] | <0.001 | −45.60 ± 31.91 | −72.06 ± 26.00 | −69.14 |
%C4/BL | 0.73 [0.62–0.83] | <0.001 | −71.15 ± 27.17 | −86.06 ± 21.81 | −87.58 |
ETV at 2.5 min, cm3 | |||||
BL | 0.62 [0.51–0.73] | 0.038 | 14.70 ± 15.44 | 11.20 ± 26.82 | 17.18 |
C2 | 0.78 [0.68–0.87] | <0.001 | 6.26 ± 6.84 | 2.54 ± 4.59 | 1.99 |
C4 | 0.79 [0.70–0.88] | <0.001 | 3.40 ± 6.73 | 1.13 ± 3.80 | 0.39 |
%C2/BL | 0.74 [0.64–0.84] | <0.001 | −43.25 ± 35.44 | −69.60 ± 27.30 | −63.88 |
%C4/BL | 0.72 [0.62–0.82] | <0.001 | −69.12 ± 31.05 | −87.36 ± 18.42 | −88.28 |
AUC, area under the receiver operating characteristic curve; SD, standard deviation; pCR, pathologic complete response; BL, baseline; C2, after 2 cycles of neoadjuvant systemic therapy (NAST); C4, after 4 cycles of NAST; %C2/BL, change between baseline and C2; %C4/BL, change between baseline and C4.