Table 1: Characteristics of patients

Number of Patients 114
Age (years) 69.2 (40-87)
Grade (1: 2: 3:CIS) 9:74:17:14
Stage (Tis:Ta:T1:CIS) 2:54:41:17
Tumor number (1:2-3: ≥ 4:CIS:unknown) 18:34:33:17:12
Number of recurrences ( 0: 1: ≥ 2) 66:28:20
Observation period (months ) 102 (38-146)


CIS: Carcinoma in situ