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Table 2 Perioperative and follow-up data

From: A novel transurethral resection technique for superficial bladder tumor: retrograde en bloc resection

Variable

RERBT (n = 40)

C-TURBT (n = 50)

P value

Operative time (min)

36 ± 11.8

34 ± 13.6

0.464

Complications

  

0.7633

 Grade I

1 (2.5%)

2 (4%)

 

 Grade II

6 (15%)

8 (16%)

 

 Grade III

0

0

 

 Obturator nerve reflex

9 (22%)

12 (24%)

0.867

 Bladder perforation

2 (5%)

4 (8%)

0.689

Presence of the detrusor muscle

 Tumor specimen

(40/40) 100%

(27/50) 54%

0.000

 Tumor base

(40/40) 100%

(35/50) 70%

0.000

Irrigation (day)

1.16 ± 0.41

1.22 ± 0.45

0.518

Catheterization (day)

4.25 ± 2.04

4.65 ± 2.16

0.373

Postoperative hospital stay (day)

4.07 ± 0.57

4.18 ± 0.59

0.400

Residual tumor on the base

0

2 (5%)

0.500

Follow-up (months)

10.8 ± 3.9

11.3 ± 4.22

0.775

Cumulative recurrence

 In field

2 (5%)

5 (10%)

0.455

 Out of field

6 (15%)

7 (14%)

0.893

 Over all

8 (20%)

12 (24%)

0.650

 LMP

0

0

-

 LG

1 (2.5%)

2 (4%)

0.693

 HG

7 (17.5%)

10 (20%)

0.763

  1. RERBT retrograde en bloc resection of bladder tumor, C-TURBT conventional transurethral resection of bladder tumor, LMP papillary urothelial neoplasia of low malignant potential, LG low-grade papillary urothelial carcinoma, HG high-grade papillary urothelial carcinoma