Table 3.
Within-group anthropometric, blood pressure, and biochemical data at baseline and after 3 months of treatment
| Variables | Baseline | After 3 months | ||||
|---|---|---|---|---|---|---|
| GTE group (n = 23) | Placebo (n = 23) | p | GTE group (n = 23) | Placebo (n = 23) | p | |
| BMI (kg/m2) | 32.07 ± 2.41 | 33.45 ± 2.65 | NS | 31.71 ± 2.29 | 33.36 ± 2.66 | 0.03 |
| Waist circumference (cm) SBP (mmHg) | 101.78 ± 6.42 130.72 ± 6.95 | 104.98 ± 6.53 129.58 ± 7.88 | NS NS | 101.15 ± 6.42 128.15 ± 6.86 | 105.02 ± 6.10 128.32 ± 6.16 | 0.04 NS |
| DBP (mmHg) | 85.10 ± 12.47 | 84.21 ± 3.32 | NS | 84.06 ± 12.26 | 84.50 ± 3.86 | NS |
| LDL (mmol/L) | 3.44 ± 1.03 | 3.80 ± 1.19 | NS | 3.02 ± 0.96* | 3.71 ± 1.12 | 0.02 |
| HDL (mmol/L) | 1.12 ± 0.24 | 1.09 ± 0.25 | NS | 1.28 ± 0.26* | 1.15 ± 0.21 | NS |
| Glucose (mmol/L) | 5.64 ± 0.44 | 5.67 ± 0.44 | NS | 5.48 ± 0.31* | 5.59 ± 0.43 | NS |
| TAS (mmol/L) | 1.91 ± 0.23 | 1.90 ± 0.15 | NS | 2.09 ± 0.28* | 1.91 ± 0.13 | <0.01 |
Data are mean ± SD; the arithmetic mean; SD standard deviation, n number of subjects; *p < 0.05 from baseline to the end of treatment with paired t test
GTE green tea extract, BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, LDL LDL cholesterol concentration, HDL HDL cholesterol concentration, TAS total antioxidant status, NS not significant, p level of significance