Oral B12 (N = 26) | Placebo (N = 24) | |
---|---|---|
Gender (Female) | 14 (53.8%) | 13 (54.2%) |
n (%) | ||
Age | ||
Mean (SD) | 69.6 yrs (SD = 18.8) | 68.6 yrs (SD = 18.5) |
Median (range) | 76 yrs (31 - 91) | 75 yrs (18 - 88) |
Serum B12 | ||
Mean (SD) | 164 pM/l (SD = 24) | 154 pM/l (SD = 20) |
Median (range) | 164 pM/l (127 - 203) | 150 pM/l (126 - 191) |
Serum MMA | ||
Mean (SD) | 0.43 μmol/l (SD = 0.25)* | 0.41 μmol/l (SD = 0.24)* |
Median (range) | 0.32 μmol/l (0.19 - 1.1) | 0.31 μmol/l (0.15 - 0.92) |
MMA ≥ 0.26 μmol/l | ||
n (%) | 18 (83.3%)* | 16 (72.7%)* |
Serum HCys | ||
Mean (SD) | 18.3 μmol/l (SD = 6.6)* | 15.0 μmol/l (SD = 5.3)* |
Median (range) | 18.1 μmol/l (9.8 - 31.5) | 14.3 μmol/l (7.5 - 27.1) |
Hematocrit | ||
Mean (SD) | 40.3% (SD = 4.2)† | 39.5% (SD = 4.6) |
Median (range) | 39.5% (32 - 46) | 40% (27 - 47) |
Mean corpuscular volume | ||
Mean (SD) | 91.2 fl (SD = 9.2)† | 92.6 fl (SD = 5.1) |
Median (range) | 90 fl (63 - 100) | 92 fl (81 - 111) |
Serum creatinine | ||
Mean (SD) | 96.4 μmol/l (SD = 27.9) | 89.0 μmol/l (SD = 27.2) |
Median (range) | 86 μmol/l (60 - 160) | 89 μmol/l (37 - 137) |
Serum folic acid | ||
Mean (SD) | 16.6 nmol/l (SD = 9.1) | 19.2 nmol/l (SD = 10.9) |
Median (range) | 16.2 nmol/l (5.6 - 45.3) | 14 nmol/l (5.4 - 33) |