Table 7.
Mean serum cardio-metabolic markers at baseline (week 0), week 4 and 8 between intervention groups.
| PL | dGTE | dGTE+ | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Variable | Baseline | Week 4 | Week 8 | Baseline | Week 4 | Week 8 | Baseline | Week 4 | Week 8 |
| Glucose (mmol·L−1) | 5.36 ± 0.10 | 5.37 ± 0.14 | 5.41 ± 0.13 | 5.78 ± 0.17 | 5.53 ± 0.21 | 5.57 ± 0.22 | 5.32 ± 0.16 | 5.29 ± 0.13 | 5.23 ± 0.15 |
| Insulin (pmol·L−1) | 61.67 ± 12.34 | 66.33 ± 13.66 | 71.33 ± 15.38 | 48.44 ± 6.04 | 48.22 ± 5.91 | 43.78 ± 4.85 | 39.67 ± 5.47 | 49.00 ± 7.00 | 43.22 ± 7.01 |
| %B | 88.06 ± 9.87 | 92.13 ± 9.98 | 94.94 ± 9.80 | 66.02 ± 5.07 | 71.70 ± 4.05 | 68.57 ± 6.08 | 67.80 ± 5.83 | 79.64 ± 7.27 | 73.09 ± 4.82 |
| %S | 114.63 ± 23.30 | 100.87 ± 15.19 | 91.07 ± 11.66 | 121.32 ± 15.36 | 121.12 ± 14.40 | 132.39 ± 19.49 | 155.48 ± 21.10 | 131.66 ± 25.71 | 150.53 ± 26.62 |
| HOMA-IR | 1.19 ± 0.23 | 1.26 ± 0.26 | 1.35 ± 0.29 | 0.94 ± 0.12 | 0.93 ± 0.12 | 0.85 ± 0.09 | 0.76 ± 0.11 | 0.95 ± 0.12 | 0.84 ± 0.13 |
| Leptin (ng·mL−1) | 15.88 ± 3.83 | 16.69 ± 4.00 | 18.78 ± 3.61 | 17.59 ± 4.28 | 18.58 ± 5.39 | 17.46 ± 3.75 | 24.66 ± 5.50 | 24.19 ± 6.25 | 25.21 ± 5.89 |
| Adiponectin (µg·mL−1) | 5.94 ± 1.50 | 5.79 ± 1.47 | 5.82 ± 1.35 | 9.06 ± 1.16 | 8.90 ± 1.30 | 9.39 ± 1.45 | 11.17 ± 1.40 * | 11.54 ± 1.37 * | 11.08 ± 1.50 * |
| Glycerol (µmol·L−1) | 25.44 ± 3.09 | 27.56 ± 3.50 | 27.00 ± 2.40 | 28.00 ± 2.70 | 36.44 ± 4.61 | 29.89 ± 3.89 | 31.56 ± 6.31 | 29.78 ± 3.42 | 31.11 ± 3.58 |
| FFA (µmol·L−1) | 310.56 ± 58.61 | 298.44 ± 55.71 | 282.56 ± 39.07 | 347.89 ± 51.81 | 436.44 ± 72.00 | 359.56 ± 37.09 | 304.22 ± 69.82 | 296.56 ± 36.29 | 287.78 ± 36.61 |
| CholTOT (mmol·L−1) | 5.06 ± 0.27 | 5.04 ± 0.21 | 5.17 ± 0.20 | 5.16 ± 0.25 | 5.34 ± 0.28 | 5.53 ± 0.33 | 5.31 ± 0.30 | 5.28 ± 0.25 | 5.22 ± 0.21 |
| TG (mmol·L−1) | 1.11 ± 0.22 | 1.11 ± 0.22 | 1.34 ± 0.30 | 1.03 ± 0.22 | 1.03 ± 0.19 | 1.02 ± 0.19 | 0.92 ± 0.13 | 0.74 ± 0.11 | 0.89 ± 0.13 |
| HDL-c (mmol·L−1) | 1.40 ± 0.16 | 1.37 ± 0.14 | 1.33 ± 0.13 | 1.65 ± 0.16 | 1.68 ± 0.17 | 1.73 ± 0.19 | 1.75 ± 0.15 | 1.82 ± 0.18 | 1.76 ± 0.14 |
| LDL-c (mmol·L−1) | 3.13 ± 0.26 | 3.17 ± 0.20 | 3.20 ± 0.16 | 3.04 ± 0.19 | 3.19 ± 0.19 | 3.34 ± 0.22 | 3.42 ± 0.28 | 3.12 ± 0.26 | 3.04 ± 0.25 |
PL = placebo; dGTE = decaffeinated green tea extract; dGTE+ = decaffeinated green tea extract with antioxidants. %B = Homeostasis Model Assessment (HOMA2) steady state beta cell function %; %S = HOMA2 insulin sensitivity %; HOMA-IR = HOMA2 insulin resistance; FFA = free fatty acids; CholTOT = total cholesterol; TG = triglycerides; HDL-c = high-density lipoprotein cholesterol; LDL-c = low-density lipoprotein cholesterol. * significantly different to PL at timepoint (p ≤ 0.049).