Table 2 Correlation coefficients between the metabolic response in breast and axilla with different SUVmax variables according to subtype
TN (n = 45) | HER2+ (n = 60) | |||||
|---|---|---|---|---|---|---|
median | (IQR) | r | median | (IQR) | r | |
SUVmax PET1 | ||||||
Breast | 10.7 | (6.5 – 16.5) | 0.42 | 6.8 | (4.7 – 9.3) | 0.38 |
Axilla | 8.0 | (4.9 – 13.8) | 5.3 | (3.3 – 7.6) | ||
SUVmax PET2 | ||||||
Breast | 7.9 | (5.1 – 10.0) | 0.36 | 2.8 | (2.2 – 3.6) | 0.49 |
Axilla | 4.2 | (3.1 – 7.2) | 2.1 | (1.7 – 2.5) | ||
SUVmax PET3 | ||||||
Breast | 3.5 | (2.5 – 5.0) | 0.33 | 2.0 | (1.5 – 2.4) | 0.14 |
Axilla | 2.1 | (1.3 – 3.6) | 1.7 | (1.3 – 2.4) | ||
ΔSUVmax (%) PET1-PET2 | ||||||
Breast | -32% | (-49 – -16) | 0.49 | -56% | (-68 – -47) | 0.30 |
Axilla | -33% | (-58 – -13) | -56% | (-70 – -38) | ||
ΔSUVmax (%) PET1-PET3 | ||||||
Breast | -67% | (-77 – -49) | 0.57 | -69% | (-78 – -52) | 0.27 |
Axilla | -70% | (-84 – -48) | -66% | (-79 – -50) | ||