Vit B12 | Folic acid | ||||
---|---|---|---|---|---|
 | Case (N = 19) | Control (N = 23) |  | Case (N = 17) | Control (N = 22) |
High (> 982 pg/ml) | 4 | 2 | Normal (> 5.38 ng/ml) | 17 | 19 |
Low (< 193 pg/ml) | 2 | 4 | Deficient (≤ 5.38 ng/ml) | 0 | 3 |
Normal (193–982 pg/ml) | 13 | 17 |  |  |  |
X2 | 1.4993 | Â | X2 | 0.95805 | Â |
P | 0.4725 | Â | P | 0.3277 | Â |
Median (mad*) | 298 (130.47) | 293 (127.5) | Â | 11.4 (8.01) | 9.2 (5.56) |