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Table 2 Odds ratios: modelling the probability of having anaemia (haemoglobin <11 g/dL) at baseline

From: Ascaris co-infection does not alter malaria-induced anaemia in a cohort of Nigerian preschool children

Crude odds ratio (95% confidence interval) of anaemia (haemoglobin <11 g/dL) at baseline
Infection group Malaria Ascaris only Co-infection No infection
Malaria only   3.67 (2.23 – 6.07)* 1.37 (0.97 – 1.91) 3.77 (2.32 – 6.12)*
Ascaris only    0.37 (0.23 – 0.61)* 1.03 (0.57 – 1.85)
Co-infection     2.76 (1.73 – 4.41)*
No infection     
* p-value <0.001