Variables

Group (A)

(n = 158)

Group (B)

(n = 29)

Total

(n = 187)

P

Vitamin B 12 (pg/ml)

Mean ± S.D.

<200 pg/ml

225.9 ± 66.59

(36/158 = 22%)

195.2 ± 38.9

(9/29 = 31%)

221.0 ± 63.9

(45/187 = 24.1%)

0.008 a*

0.013 b*

Folic acid(ng/mL)

Mean ± S.D

<3.1 ng/mL

9.57 ± 3.63

(5/158 = 3.1%)

9.1 ± 2.73

(1/29 = 3.4%)

9.50 ± 3.50

6/187 = 3.2%)

0.27 a

0.109 b

Homocystiene (μmol/L )

Mean ± S.D

>15 μmol/L

7.6 ± 3.83

(15/158 = 9.5%)

9.10 ± 5.9

(7/29 = 24.1%)

7.86 ± 4.22

22/187 = 11.7%

0.042 a*

0.048 b*