Table 2.
Effects of placebo or simvastatin on lipids, endothelium, and endocrine parameters in hypercholesterolemic patients
| Simvastatin |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Placebo |
10 mg |
20 mg |
40 mg |
80 mg |
|||||||
| Baseline | Treatment | Baseline | Treatment | Baseline | Treatment | Baseline | Treatment | Baseline | Treatment | ANOVA | |
| n | 32 | 30 | 32 | 31 | 31 | ||||||
| Age (years) | 59 ± 2 | 57 ± 2 | 58 ± 2 | 60 ± 2 | 59 ± 2 | 0.676 | |||||
| Sex (male/female) | 15/17 | 14/16 | 15/17 | 14/17 | 15/16 | ||||||
| BMI (kg/m2) | 25.7 ± 0.6 | 25.5 ± 0.6 | 25.9 ± 0.7 | 26.0 ± 0.7 | 27.0 ± 0.5 | 26.8 ± 0.5 | 26.8 ± 0.6 | 26.8 ± 0.6 | 26.4 ± 0.5 | 26.3 ± 0.5 | 0.444 |
| Lipids (mg/dl) | |||||||||||
| Total cholesterol | 267 ± 6 | 247 ± 6‡ | 246 ± 3 | 179 ± 5‡∥ | 256 ± 7 | 191 ± 6‡∥ | 264 ± 6 | 166 ± 5‡∥ | 253 ± 6 | 155 ± 6‡∥ | <0.001 |
| Triglycerides | 146 ± 15 | 159 ± 18 | 131 ± 12 | 124 ± 8 | 147 ± 18 | 124 ± 16* | 149 ± 16 | 135 ± 13 | 151 ± 11 | 119 ± 7† | 0.149 |
| LDL cholesterol | 179 ± 6 | 162 ± 6† | 162 ± 3 | 99 ± 4‡∥ | 174 ± 7 | 109 ± 6‡∥ | 181 ± 7 | 88 ± 5‡∥ | 170 ± 5 | 79 ± 5‡∥ | <0.001 |
| ApoB | 134 ± 4 | 129 ± 4 | 125 ± 3 | 93 ± 3‡∥ | 131 ± 3 | 91 ± 3‡∥ | 139 ± 4 | 89 ± 4‡∥ | 129 ± 5 | 74 ± 4‡∥ | <0.001 |
| HDL cholesterol | 57 ± 2 | 54 ± 2 | 54 ± 1 | 52 ± 2 | 52 ± 2 | 49 ± 2 | 54 ± 2 | 48 ± 2† | 53 ± 2 | 53 ± 3 | 0.316 |
| ApoA-I | 161 ± 3 | 164 ± 4 | 160 ± 4 | 170 ± 4 | 160 ± 4 | 161 ± 4 | 164 ± 4 | 168 ± 5 | 161 ± 5 | 163 ± 4 | 0.514 |
| Vasomotor | |||||||||||
| FMD dilation(%) | 4.69 ± 0.22 | 4.91 ± 0.16 | 4.82 ± 0.26 | 7.70 ± 0.29∥ | 5.00 ± 0.21 | 6.78 ± 0.16∥ | 4.78 ± 0.26 | 6.74 ± 0.32‡∥ | 4.92 ± 0.30 | 7.53 ± 0.41‡∥ | <0.001 |
| NTG dilation(%) | 14.14 ± 0.65 | 13.98 ± 0.54 | 14.60 ± 0.68 | 14.66 ± 0.63 | 14.22 ± 0.51 | 14.32 ± 0.61 | 14.04 ± 0.60 | 14.42 ± 0.77 | 14.08 ± 0.70 | 14.16 ± 0.69 | 0.976 |
| Inflammation | |||||||||||
| hsCRP (mg/l) | 0.95 (0.46–2.10) | 0.90 (0.35–1.95) | 0.64 (0.27–2.91) | 0.43 (0.27–1.01) | 1.05 (0.40–2.35) | 0.90 (0.50–1.95) | 0.73 (0.44–1.39) | 0.59 (0.38–1.44) | 1.52 (0.89–4.82) | 0.89 (0.64–3.05) | 0.363 |
| Insulin resistance | |||||||||||
| ADP (μg/ml) | 6.6 ± 1.0 | 6.6 ± 0.9 | 6.4 ± 1.0 | 5.9 ± 0.9*∥ | 6.0 ± 1.0 | 5.3 ± 1.0*∥ | 6.2 ± 0.8 | 5.7 ± 0.7* | 6.4 ± 0.8 | 5.7 ± 0.7*∥ | 0.011 |
| Insulin (μU/ml) | 3.31 ± 0.45 | 3.04 ± 0.33 | 3.02 ± 0.49 | 3.59 ± 0.43 | 2.95 ± 0.44 | 5.01 ± 0.70† | 2.98 ± 0.31 | 4.27 ± 0.48† | 3.14 ± 0.31 | 3.56 ± 0.32 | 0.006 |
| Glucose (mg/dl) | 95 ± 4 | 89 ± 3 | 89 ± 9 | 87 ± 8 | 86 ± 3 | 84 ± 3 | 91 ± 4 | 91 ± 5 | 91 ± 2 | 98 ± 4* | 0.501 |
| QUICKI¶ | 0.43 ± 0.01 | 0.44 ± 0.01 | 0.46 ± 0.02 | 0.43 ± 0.01*∥ | 0.46 ± 0.02 | 0.41 ± 0.01†∥ | 0.44 ± 0.02 | 0.41 ± 0.01* | 0.44 ± 0.02 | 0.41 ± 0.01*∥ | 0.034 |
Data are expressed as means ± SEM or median (range). There were no significant differences among baseline values.
P < 0.05
P < 0.01
P < 0.001 for comparison with each baseline value
P < 0.05 for comparison with the value after therapy with placebo.
QUICKI = 1/[log (insulin) + log (glucose)] (20). ADP, adiponectin; Apo, apolipoprotein; hsCRP, high-sensitivity CRP; NTG, nitroglycerin.