The Relationship between Brown Adipose Tissue Activity and Neoplastic Status: an 18F-FDG PET/CT Study in the Tropics

Table 3 Univariate analysis of relationships between the total metabolic activity (TMA) of BAT and various biological and environmental factors (N = 30)

Factor	TMA	Correlation coefficient	p- value
NEOPLASTIC STATUS SCORE			0.043*
0 (n = 9)	28.6 ± 13.2 (0.2-91.3)
1 (n = 5)	92.0 ± 47.4 (4.6-209.2)
2 (n = 8)	110.0 ± 52.7 (0.3-467.5)
3 (n = 8)	159.8 ± 62.2 (0.2-423.7)
Age (y)		0.084	0.658^†
BMI (kg/m²)		0.033	0.861^†
Fasting blood sugar (mg/dL)		0.112	0.554^†
GENDER			0.428^‡
Male (n = 4)	149.0 ± 96.1 (0.2-423.7)
Female (n = 26)	87.7 ± 24.2 (0.2-467.5)
OUTDOOR TEMPERATURE PARAMETERS (°C)
Outdoor temperature (T_PET)		0.101	0.596^§
MaxΔT		-0.297	0.110^§
One-day temperature decline (T_PET - T₁)		0.171	0.366^§
Mean T: (T_PET + T₁ +... T₇)/8		0.087	0.649^§
Decline grade (maxΔT/mean T)		-0.254	0.181^§
Decline rate (maxΔT/duration)		-0.319	0.086^§

Data are means ± standard error and (range).
*Jonckheere-Terpstra test; ^†Pearson's correlation; ^‡Mann-Whitney U- test; ^§Spearman's rank correlation.

ISSN: 1476-511X