Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature

Table 1

Prevalence of activated BAT (detected by ¹⁸F-FDG uptake) and average outdoor temperature during the study period.

Data source	Prevalence of BAT (%)	Study period	Average outdoor temperature (°C)
Hany et al., Zurich, Switzerland [11]	2.66 (17/638)	04/2001–11/2001	12.7
Cohade et al., Baltimore, USA [8]	6.85 (62/905)	07/2001–06/2002	13.7
Yeung et al., New York, USA [12]	2.32 (20/863)	07/2002–08/2002	25.7
Kim et al., New York, USA [13]	3.02 (35/1159)	03/2000–11/2003	13.4
Cypess et al., Boston, USA [14]	5.38 (106/1972)	08/2003–05/2006	8.4
Au-Yong et al., Nottingham, UK [9]	4.62 (167/3614)	03/2006–10/2008	11.5
Ouellet et al., Québec, Canada [10]	6.77 (328/4842)	01/2007–12/2008	4.6
Akkas et al., Ankara, Turkey [15]	3.00 (31/1032)	01/2008–10/2008	14.7*
Our data, Kaohsiung, Taiwan	1.72 (30/1740)	06/2005–05/2009	25.4
Winter	4.92 (21/427)		20.6
Spring	1.62 (10/618)		25.5
Summer	0.73 (3/413)		28.8
Autumn	0.67 (3/445)		26.7

The average outdoor temperatures during the study periods were obtained from the Federal Office of Meteorology and Climatology MeteoSwiss, the USA National Oceanic and Atmospheric Administration, Met Office Hadley Centre Central England Temperature Data, the National Climate Data and Information Archive of Canada, Turkish State Meteorological Service, and the Central Weather Bureau of Taiwan (*coordinated with http://www.geodata.us).