Question: Which variables ARE statistically significantly associated with the binary outcome recurrent haemorrhoids at 12 months after the procedure? A. Age only B. Sex only C.

Which variables ARE statistically significantly associated with the binary outcome recurrent haemorrhoids at 12 months after the procedure?

A. Age only 

B. Sex only 

C. Previous treatment only 

D. Group only 

E. Age, sex and previous treatment

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