Egyptian Journal of Radiology and Nuclear Medicine

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

^aIndependent sample T test, ^bOne-way ANOVA
SUVmax maximum standardized uptake value, TMA total metabolic activity

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