Table 2 Baseline characteristics of study participants

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)