marginally significantP = 0.057
The multivariate analysis revealed that sex (P = 0.017), tumor location (P = 0.015), tumor multiplicity (P = 0.002) and KPNA2 expression (P = 0.018) were significantly associated with bladder recurrence (Table 2 ) and were independent risk factors for bladder recurrence.However, tumor side was marginally significant (P = 0.057) in the multivariate analysis.