Table 5.
Metabolic syndrome markers pre- and post-intervention in the vitamin D3 and placebo capsule groups
(Mean values and standard deviations)
| Vitamin D3 capsules | Placebo capsules | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Pre | Post | Pre | Post | ||||||
| Mean | sd | Mean | sd | Mean | sd | Mean | sd | P* | |
| Systolic BP (mmHg) | 119 | 12 | 115 | 11 | 113 | 13 | 117 | 13 | 0·073 |
| Diastolic BP (mmHg) | 85 | 11 | 80 | 10 | 78 | 8 | 79 | 9 | 0·507 |
| HR (bpm) | 76 | 14 | 73 | 13 | 71 | 9 | 69 | 10 | 0·583 |
| Glucose (mmol/l) | 5·92 | 0·43 | 5·68 | 0·43 | 5·76 | 0·48 | 5·59 | 0·46 | 0·830 |
| Insulin (µIU/ml) | 4·57 | 2·35 | 4·23 | 2·99 | 4·32 | 3·59 | 3·17 | 1·63 | 0·081 |
| HOMA-IR | 1·21 | 0·63 | 1·09 | 0·81 | 1·14 | 1·05 | 0·80 | 0·44 | 0·064 |
| C-peptide (ng/ml) | 1·39 | 1·05 | 1·33 | 0·91 | 1·46 | 1·18 | 1·01 | 0·70 | 0·020 |
| TAG (mmol/l) | 1·30 | 0·69 | 1·24 | 0·72 | 1·07 | 0·43 | 0·95 | 0·39 | 0·153 |
| Total cholesterol (mmol/l) | 5·66 | 1·12 | 5·43 | 1·24 | 6·47 | 1·16 | 6·06 | 1·40 | 0·496 |
| HDL-cholesterol (mmol/l) | 1·57 | 0·33 | 1·51 | 0·35 | 1·81 | 0·63 | 1·76 | 0·66 | 0·957 |
| LDL-cholesterol (mmol/l) | 3·57 | 0·48 | 3·73 | 0·60 | 4·08 | 0·48 | 4·12 | 0·42 | 0·736 |
| NEFA (mmol/l) | 0·62 | 0·27 | 0·58 | 0·21 | 0·51 | 0·19 | 0·49 | 0·19 | 0·650 |
| PTH (pg/ml) | 59·9 | 25·3 | 54·0 | 20·1 | 54·5 | 25·8 | 57·0 | 21·3 | 0·588 |
| Corrected Ca (mmol/l) | 2·31 | 0·09 | 2·31 | 0·09 | 2·34 | 0·10 | 2·36 | 0·12 | 0·178 |
| Adiponectin (µg/ml) | 6·23 | 2·96 | 5·73 | 2·12 | 7·28 | 2·93 | 6·98 | 2·68 | 0·528 |
| Ferritin (ng/ml) | 68·4 | 47·0 | 63·5 | 46·6 | 70·0 | 47·9 | 64·4 | 46·0 | 0·712 |
| Leptin (ng/ml) | 2·21 | 2·12 | 2·51 | 2·99 | 1·70 | 1·35 | 1·81 | 1·44 | 0·466 |
| Resistin (ng/ml) | 3·34 | 0·96 | 3·24 | 0·90 | 3·40 | 1·94 | 3·59 | 1·44 | 0·326 |
| hsCRP (mg/l) | 1·92 | 1·61 | 2·08 | 2·44 | 1·54 | 2·18 | 1·68 | 1·94 | 0·434 |
| TNFα (pg/ml) | 4·59 | 1·14 | 4·24 | 1·02 | 4·85 | 1·49 | 4·40 | 1·59 | 0·970 |
| IL-6 (pg/ml) | 1·06 | 1·30 | 0·83 | 0·71 | 1·12 | 1·28 | 1·65 | 2·94 | 0·536 |
| PAI-1 (ng/ml) | 15·29 | 5·62 | 14·19 | 6·26 | 14·35 | 5·80 | 11·09 | 4·51 | 0·082 |
BP, blood pressure; HR, heart rate; bpm, beats per min; HOMA-IR, homeostasis model of assessment of insulin resistance; PTH, parathyroid hormone; hsCRP, high-sensitivity C-reactive protein; PAI-1, plasminogen activator inhibitor-1.
* P values are based on analysis of group effect for post values adjusted for baseline values, sex, age and BMI (P < 0·05).