TABLE 1

Characteristics of Male Volunteers

CharacteristicObese youngIQRLean youngIQRLean oldIQR
N101411
Age (y)25.521.0–31.325.520.8–28.054*50.0–60.0
BMI (kg/m2)32.2*30.8–38.922.020.9–23.223.121.7–23.8
Waist circumference (cm)117.5*110.5–144.583.082.0–85.090.0†85.0–93.0
Laboratory values
 HbA1c (mmol/mol)35.032.8–37.833.531.8–35.039.0*36.0–40.0
 Thyroid-stimulating hormone (mE/L)2.41.5–3.31.81.0–2.41.71.4–2.2
 Free fatty acids (mmol/L)0.60.6–0.80.50.4–0.70.50.3–0.8
 Energy expenditure in cold (kcal/24 h)2,4211,499–2,5302,2941,807–2,6661,4841,033–2,294

  • ↵*P < 0.001, significantly different as compared with lean young men.

  • ↵†P < 0.01, significantly different as compared with lean young men.

  • Data are n or median.