Table II.

Results of logit regression.

Characteristics	OR	p-value*
Eaton & Littler stage	0.93	0.874
BMI, kg/m2	0.82	0.052
Age at OP, yrs	0.99	0.858
Male sex	4.79	0.061

^*Univariate logistic regression with Wald test.

OR, odds ratio.