Table 2.
Baseline characteristics and selenium status of subjects
| Variable | All (n=39) | Males (n= 15) | Females (n=24) | P-value* |
|---|---|---|---|---|
| Anthropometric | ||||
| Age (y) | 45 (10)† | 45 (11) | 46 (9) | NS |
| Height (m) | 1.70 (0.10) | 1.79 (0.08) | 1.64 (0.06) | <0.001 |
| Weight (kg) | 71.0 (13.6) | 80.3 (14.4) | 65.1 (9.2) | <0.001 |
| BMI (kg/m2) | 24.5 (3.20) | 25.0 (3.64) | 24.2 (2.93) | NS |
| Biochemical | ||||
| Cholesterol (mmol/l) | 4.99 (0.86) | 5.10 (1.07) | 4.92 (0.72) | NS |
| Triglycerides (mmol/l) | 1.17 (0.50) | 1.34 (0.67) | 1.06 (0.34) | NS |
| Glucose (mmol/l) | 5.44 (0.41) | 5.37 (0.42) | 5.49 (0.41) | NS |
| γ-Glutamyl transferase (IU/l) | 25.8 (13.3) | 33.5 (18.4) | 21.0 (5.0) | 0.02 |
| CRP (mmol/l) | 1.51 (1.54) | 1.38 (1.12) | 1.59 (1.77) | NS |
| Haemoglobin (g/dl) | 14.0 (1.1) | 15.0 (1.0) | 13.5 (0.7) | <0.001 |
| Nutrients | ||||
| Energy (kJ/d) | 8257 (1570) | 9287 (1563) | 7613 (1208) | 0.001 |
| Dietary Se (ug/d) | 48 (14) | 54 (15) | 43 (11) | 0.012 |
| Dietary Se (ng/kJ/d) | 5.83 (1.4) | 5.90 (1.7) | 5.79 (1.3) | NS |
| Plasma Se (μmol/l) | 1.13 (0.16) | 1.16 (0.16) | 1.11 (0.17) | NS |
| GPX3 activity (EU/g protein) | 5.01 (1.0) | 5.34 (0.8) | 4.81 (1.1) | NS |
NS = not significant
*
Significance level P <0.05 by independent t-test
†
Values are mean (SD)