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Table 3 SUVmax and TMA of activated BAT according to patients and tumor characteristics

From: Brown adipose tissue (BAT) activation at 18F-FDG PET/CT: correlation with clinicopathological characteristics in breast cancer

Parameter BAT SUVmax BAT TMA
Mean ±SD P value Mean ± SD P value
Age: 0.597a
< 50 years 13.7 ±10 0.683a 81.9 ± 47.8
≥ 50 years 10.5 ±10.6 63 ± 15.5
Disease stage: 0.883a
I & II 10 ±9.9 0.148a 81 .1 ± 54
III & IV 17 ±8.8 77.5 ± 34.6
Histology: 0.256b
IDC 13.2 ±10.4 0.978b 74.5 ± 33.8
ILC 13.5 ± 7.7 114.5 ± 13.8
Grade 0.521b
I 18.5±20.5 0.756b 92 ± 14
II 12.4± 8.5 87.8 ± 51.6
III 12.8 ± 10 59.6 ± 39.2
Molecular subtypes =0.272b
Luminal A 17±13.4 0.272b 72.4 ± 21.2
Luminal B 10 ±5.7 92.5 ± 55.5
Basal-like 9.3 ±8.7 43.3 ± 32.5
HER2+ve 28 ± 0 133 ± 0
ER receptor status 0.831a
Positive 13.5 ± 10 0.936a 81.3 ± 45
Negative 13 ±10 75.8 ± 50.4
PR receptor status 0.951a
Positive 14.5±10 0.554a 79 ± 47
Negative 11.3 ± 10 80 ± 46.5
Her2-receptor status 0.019a
Positive 11.6 ± 10 0.657a 117.2± 56.4
Negative 14 ± 10.4 62.5 ± 27.5
Ki-level 0.552b
<14 33 ± 0 0.112b 102 ± 0
≥14 11.4 ± 6 89.3 ± 52.2
Not assessed 12.7± 11 65.3 ± 38.4
N-stage: 0.626a
N0 13 ± 12.9 0.936a 71 ± 25.1
N1-3 (mean) 13.5 ±12 83.5 ± 52.5
M-stage 0.868a
M0 24.6 ± 4.9 0.021a 78.6 ± 47.3
M1 10.6 ± 8.8 83.7 ± 43.3
  1. aIndependent sample T test, bOne-way ANOVA
  2. SUVmax maximum standardized uptake value, TMA total metabolic activity