Table 2.
Distribution of patients in Groups A and B
| Group | With B12 deficiency | Without B12 deficiency |
|---|---|---|
| Group A (injection B12) | 10 | 10 |
| Group B (injection NS) | 7 | 13 |
χ2= 0.92, P = 0.33 and df = 1, df = Degree of freedom, NS = Normal saline
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