Table 1.
Descriptive Statistics
| n | Mean ± SEM | IQR | |
|---|---|---|---|
| Physical characteristics | |||
| Age, y | 116 | 43.5 ± 4.0 | 27.0–59.2 |
| Height, cm | 116 | 171.2 ± 0.98 | 164.4–178.8 |
| Weight, kg | 116 | 89.0 ± 2.1 | 72.8–102.4 |
| Blood pressure systolic, mm Hg | 116 | 123.7 ± 1.18 | 114–131 |
| Blood pressure diastolic, mm Hg | 116 | 73.8 ± 0.8 | 68–79 |
| Total cholesterol, mg/dL | 116 | 188 ± 3.4 | 159–214 |
| LDL, mg/dL | 116 | 107.4 ± 2.8 | 87–122.5 |
| Triglycerides, mg/dL | 116 | 123.4 ± 5.9 | 74–161 |
| HDL, mg/dL | 116 | 55.9 ± 1.6 | 45.5–62.3 |
| Glucose, mg/dL | 116 | 100 ± 0.81 | 94.5–105 |
| Insulin, μIU/mL | 116 | 7.3 ± 4.5 | 4.4–9.0 |
| Insulin low stage, μIU/mL | 102 | 18.9 ± 0.4 | 15.7–21.8 |
| Body composition | |||
| BMI, kg/m2 | 116 | 30.2 ± 2.8 | 25.4–34.2 |
| FFM, kg | 116 | 50.7 ± 1.1 | 41.1–57.6 |
| Body fat, % | 116 | 39.5 ± 3.7 | 33.4–46.7 |
| AFSQ, cm2 | 105 | 33 769 ± 3295 | 21 713–46 209 |
| AFVisc, cm2 | 105 | 9252 ± 902.9 | 5044–11 932 |
| IMCL, IMCL/Cr | 104 | 3.6 ± 0.36 | 2.12–4.38 |
| IHL (lipid/water) | 106 | 0.06 ± 0.006 | 0.01–0.07 |
| Mitochondrial function | |||
| State 3, pmol/sec · mg tissue | 110 | 491 ± 46.8 | 391–566 |
| RCR | 110 | 7.1 ± 0.67 | 5.8–8.0 |
| ROS production, nM H2O2 per sec per mg tissue | 80 | 16.2 ± 1.8 | 11.9–19.5 |
| VO2 peak, ml/kg BW per min | 83 | 25.6 ± 2.8 | 19.9–31.5 |
| ΔRQ | 97 | 0.11 ± 0.01 | 0.05–0.13 |
| Insulin sensitivity | |||
| GIR, μmol/kg FFM · min | 114 | 11.8 ± 1.1 | 9.0–15.2 |
| HOMA-IR | 102 | 1.8 ± 0.18 | 1.1–2.2 |
| EGP basal, μmol/kg FFM · min | 102 | 15.3 ± 0.34 | 13.6–17.5 |
| EGP low insulin, μmol/kg FFM · min | 102 | 7.8 ± 0.45 | 4.4–11.2 |
| EGPSUP normalized to insulin, % | 102 | 78.6 ± 7.8 | 70.8–90.9 |
Abbreviation: BW, body weight; IQR, interquartile range. Values are means ± SD.