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[The study of risk ratio on genetic factors in recurrent aphthous ulcer].

OBJECTIVE
To study the relation of SCE, MNR, CAR of lymphocytes in RAU patients and RAU.


METHODS
SCE, MNR, CAR of 60 RAU patients were determined, and were analyzed by non-condition Logistic regression and the risk ratio of the 3 studying factors was calculated.


RESULTS
SCE, MNR and CAR were important risk factors among many complicated causes of RAU.


CONCLUSION
The results of the study showed essentially that RAU patients could have some pathological genetic predisposition and abnormal genetic materials congenitally.