What is the reasonable explanation of this abnormal haplotypes association odd ratio?

12 December 2018 1 1K Report

Hello everyone

I'm working on haplotypes case control association study, for data analysis , I employed two online analysis softwares ,

The first is (SNPstats) which gave me extremely large odd ratio values as showing in the attached snapshot .

the second is (http://analysis.bio-x.cn/myAnalysis.php) which gave me empty values (---) as showing in the attached snapshot . .

please , how can I explane this odd ratio values ,

thank for any help .

best regards

Zheng Dong

It look likes that the second method is more reliable. When the haplotype frequency equals to zero in cases and/or controls, empty value would be appeared.

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