Research Article

Assessment of Cone-Beam Breast Computed Tomography for Predicting Pathologic Response to Neoadjuvant Chemotherapy in Breast Cancer: A Prospective Study

Table 3

Univariable and multivariable regression analysis of CBBCT parameters in late-NAC.

Univariable analysis of CBBCT parameters in late-NACMultivariable analysis of CBBCT parameters in late-NAC
ORSEp valueORSE value

(Reference)11
Hormone status0.269 (0.096,0.755)0.5270.013
One-min enhancement/HU0.990 (0.980, 1.000)0.0050.048
Two-min enhancement/HU0.986 (0.976, 0.996)0.0050.007
Three-min enhancement/HU0.984 (0.972, 0.996)0.0060.008
Wash-in rate (%/s)4.293 (1.770, 10.413)0.4520.001
Maximum enhancement ratio (%)2.667 (1.620, 4.390)0.254<0.0012.192 (1.338, 3.590)0.2520.002
Diameter/mm0.946 (0.903, 0.991)0.0240.020
Segmented volume/mm32.833 (1.633, 4.916)0.281<0.001
Segmented surface area/mm21.967 (1.278, 3.028)0.2200.002
Segmented volume reduction (%)0.264 (0.111, 0.628)0.4410.0030.319 (0.122, 0.836)0.4920.02
Segmented surface area reduction (%)0.468 (0.286, 0.764)0.250.002

Note: The numbers in the table represent point estimate with 95% confidence intervals. values with statistical value are marked with asterisk. HU: Hounsfield unit. OR: odds ratio. SE: Standard error. CBBCT: cone-beam breast computed tomography. NAC: Neoadjuvant chemotherapy.