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Total number of anaemia cases among infected vs noninfected women
| n = 500 | Anaemia - (present) | Anaemia - (Absent) | |
| Helminthiasis – Present | 55 (a) | 7 (b) | (a+b = 62) |
| Helminthiasis - Absent | 247 (c) | 191 (d) | (c+d = 438) |
| (a+c = 302) | (b+d =198) | n = 500 |
