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. 2023 Feb 6;15(4):1025. doi: 10.3390/cancers15041025

Table 2.

Longest tumor dimension (LD), tumor volume (TV), and enhanced tumor volume (ETV) measurements by neoadjuvant systemic therapy response status.

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.