a slightly increasing trendP = 0.09
On Kaplan–Meier survival analysis, the primary outcome-free survival rate showed a slightly increasing trend in the contralateral group compared with the ipsilateral group ( P = 0.09) (Fig. 1 ).
On Kaplan–Meier survival analysis, the primary outcome-free survival rate showed a slightly increasing trend in the contralateral group compared with the ipsilateral group ( P = 0.09) (Fig. 1 ).