A trend towards significance of association between insulin resistance/sensitivity and IGF-1 levels was seen.
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The sentences
Control of Type -1 Error All statistical tests will be conducted at the 0.05 alpha levels, meaning that P ≤ 0.05 will be considered "nominally significant".
In a pilot study conducted at our centre (unpublished data) to test the above hypothesis we found a strong trend towards significance in patients under the age of 50.