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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: J Am Soc Echocardiogr. 2015 Aug 5;28(10):1247–1254. doi: 10.1016/j.echo.2015.06.014

Table 4.

Effect of cold on BAT blood flow estimated with contrast enhanced ultrasound in 8 volunteers.

A (AU) β (s−1) Aβ (AU/s)
Warm 5 [1.7–8.7] 0.3 [0.2–0.5] 1.25 [0.5 – 2.6]
Non-Responders
n=3		 2.1 [1.3–6.3] 0.3 [0.1–0.4] 0.5 [0.5–0.5]
Responders
n=5		 6.1 [2.6–10.2]† 0.5 [0.3–0.6]† 2 [1.3–2.9]†
Cold 6.6 [3–11.1] 0.5 [0.2–0.5] 3.3 [0.5–5.7]*
Non-Responders
n=3		 2.8 [1.1–3.6] 0.2 [0.1–0.5] 0.5 [0.5–0.5]
Responders
n=5		 9.8 [6.6–12.0]*† 0.6 [0.3–0.9]† 5.6 [3.2–8.2]*†

Median [25–75 percentiles].

*

p<0.05 vs. warm,

†

p<0.05 vs. non responders

BAT: brown adipose tissue.