Table 1.

Characteristics of Groups

Group	Gender, M/F	Age Range, y	BMI (mean ± SEM), kg/m2
MC4R-deficient participants	5/3	18–47	34.5 ± 7.3; range 26–44
Obese participants	4/6	31–50	33.2 ± 5.4; range 28–41
Lean participants	2/6	19–54	22.4 ± 1.9; range 21–25