Table 5.
Correlations between serum vitamin B-12 status 1 and blood glucose, oxidative stress, and inflammatory markers.
| Vegetarians (n = 54) | Omnivores (n = 100) | Pooled (n = 154) | |
|---|---|---|---|
| r 2 (p Values) | |||
| Blood glucose | |||
| fasting glucose (mmol/L) | −0.17 (0.03) | −0.12 (0.05) | −0.10 (0.03) |
| HbA1c (%) | −0.33 (0.02) | −0.06 (0.35) | −0.17 (<0.01) |
| Oxidative stress | |||
| MDA (μmol/L) | 0.07 (0.63) | −0.11 (0.06) | −0.07 (0.17) |
| Ox-LDL-C (U/L) | −0.19 (0.03) | 0.09 (0.42) | 0.00 (0.98) |
| Antioxidant enzymes | |||
| CAT (U/mg protein) | 0.28 (0.01) | 0.17 (0.03) | 0.23 (<0.01) |
| SOD (U/mg protein) | −0.21 (0.12) | 0.00 (0.98) | −0.03 (0.70) |
| GPx (U/mg protein) | 0.06 (0.68) | −0.08 (0.43) | −0.02 (0.78) |
| Inflammation | |||
| hs-CRP (mg/L) | 0.19 (0.17) | −0.05 (0.41) | 0.03 (0.69) |
| IL-6 (pg/mL) | 0.13 (0.37) | −0.33 (<0.01) | −0.14 (0.02) |
1 serum vitamin B-12 levels > 250 pmol/L defined as 1; ≤250 pmol/L = 0; 2 correlation coefficients.