generally normal ranges are calculated based on the mean result for a population +/- 2SD - meaning 95% of healthy individuals will have results in that range (this assumes normal distribution of results).
normal ranges are not really useful for cholesterol - instead labs use 5.5 as the upper limit of 'healthy' as recommended by the National Heart Foundation.
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Date: 2008-07-10 12:57 pm (UTC)normal ranges are not really useful for cholesterol - instead labs use 5.5 as the upper limit of 'healthy' as recommended by the National Heart Foundation.