Is in attendance any passageway to adjust for age if you forgot to age-match controls?

I want to run a Mann-Whitney test comparing a particular continuous blood test erratic on the disease group and control group. I found out that my controls were not age-matched, and people of different ages have different level of the blood test variable (which is why controls should have be age-matched). Is there any way to adjust for this in the Mann-Whitney interview?

Thanks in advance.

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Answers:

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Try doing a regression analysis of the change surrounded by blood chemistry as a function of age, or if you can't do that, try graphing is and seeing if you can interpolate the age x chemistry effect. Then, normalize your data before applying the M-W stat. Source(s): Forensic psychopharmacologist, author of several books, researcher.

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