Table 3.
Comparison of results obtained (mean ± SEM) after 14 days of green coffee and black coffee intervention.
| Study population | Black coffee | Green coffee | Difference | 95% CI | P |
|---|---|---|---|---|---|
| BMI (kg/m2) | 23.9 ± 1.1 | 23.9 ± 1.1 | 0.0 | −0.21 to 0.22 | 0.9 |
| Waist Circumference (cm) | 79.2 ± 3.3 | 79.1 ± 3.4 | 0.1 | −0.53 to 0.67 | 0.8 |
| Abdominal fat (%) | 28.9 ± 1.9 | 28.4 ± 2.0 | 0.5 | −0.13 to 1.18 | 0.1 |
| SBP mmHg | 114.5 ± 11.2 | 113.5 ± 13.3 | 1.0 | −11.43 to 7.76 | 0.6 |
| DBP mmHg | 71.2 ± 7.6 | 71.2 ± 9.9 | 0.0 | −9.32 to 5.75 | 0.5 |
| PWV m/sec | 6.4 ± 0.9 | 6.3 ± 1.2 | 0.1 | −0.55 to 0.33 | 0.5 |
| Polyphenol (mgGAE/day) | 597 ± 241 | 548 ± 211 | 49.0 | −55.11 to 153.95 | 0.3 |
| Antioxidant (mMFeII/day) | 8.8 ± 4.5 | 7.2 ± 3.3 | 1.6 | −0.30 to 4.14 | 0.08 |
| Energy intake (kcal) | 1880 ± 147 | 1863 ± 128 | 17.0 | −256 to 291 | 0.9 |
| Sodium intake (mg) | 2609 ± 291 | 2490 ± 277 | 119.0 | −228 to 467 | 0.5 |
| Potassium intake (mg) | 3310 ± 238 | 3161 ± 276 | 149.0 | −304 to 602 | 0.5 |
| Urinary free F (nmol/day)∗ | 114.5 ± 331.7 | 68.4 ± 64.6 | 46.1 | 12.4 to 93.7 | 0.01 |
| Urinary free E (nmol/day)∗ | 40.9 ± 36.6 | 47.7 ± 26.5 | −6.8 | −6.26 to 15.8 | 0.5 |
| Urinary F : E ratio (nmol/day) | 2.55 ± 2.58 | 1.53 ± 1.42 | 1.02 | 0.14 to 1.78 | 0.02 |
95% CI: 95% confidence interval; P values are from paired t-test. ∗Variables normalised using the log10 (SPSS 17.0). F: cortisol; E: cortisone.