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Table 1 Baseline demographics and oncological parameters in patients who underwent either flexible cystoscopy or cystoscopy with repeat biopsies for non-muscle invasive bladder cancer

From: Post-Bacille Calmette–Guerin surveillance for non-muscle invasive bladder cancer: do random biopsies offer an advantage?

Variables Flexible cystoscopy (N = 51) Repeat Biopsy (N = 50) p value
N (%)\(; \stackrel{-}{x}\) ± SD N (%)\(; \stackrel{-}{x}\) ± SD
Demographics
 Age (years) 66.2 ± 12.2 65.5 ± 10.0 0.5
 Male 43 (84.3%) 42 (84.0%) 0.9
 BMI (kg/m2) 27.4 ± 3.4 26.9 ± 4.4 0.5
 Hypertension 36 (70.6%) 36 (72.0%) 0.9
 Diabetes 11 (21.6%) 14 (28.0%) 0.5
 Smoking 30 (58.8%) 25 (50.0%) 0.4
Oncological variables
 Tumor size (cm) 2.43 ± 1.1 2.3 ± 0.9 0.5
 Multifocal 24 (47.1%) 27 (54.0%) 0.5
 High grade 44 (86.3%) 47 (94.0%) 0.3
 Concurrent CIS 13 (25.5%) 14 (28.0%) 0.8
 Stage T1 40 (78.4%) 44 (88.0%) 0.2
AUA risk stratification
 Moderate risk 13 (25.5%) 7 (14.0%) 0.147
 High risk 38 (74.5%) 43(86.0%)