Clomiphene citrate effect in obese men with low serum testosterone treated with metformin due to dysmetabolic disorders: A randomized, double-blind, placebo-controlled study.

The Shapiro-Wilk’s statistics was applied in order to test scalar variables for the normal distribution and variables that showed distributions significantly different from the normal value were transformed before analysis according to the formula log (x + k) since all of them had highly significant positive skewness coefficients (P≤0.003) at the z-test.

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