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The distribution of haemoglobin concentration in a sample of native high-altitude women.

Two hundred and twenty-two indigenous women living in La Paz, Bolivia at an altitude of 3700 m were screened for the haematological parameters of haemoglobin, transferrin saturation, haematocrit and total iron-binding capacity. The data from 152 nonpregnant healthy women under 45 years of age were utilized in both distributional and maximum likelihood analyses in order to evaluate the prevalence of abnormal haemoglobin levels. The prevalence of anaemia and polycythaemia in the population was low and not considered to be a public health problem. Eleven per cent of the population was found to be iron deficient (less than 15% transferrin saturation).