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Table 2 The main result of this meta-analysis

From: Safety and efficacy of en bloc transurethral resection versus conventional transurethral resection for primary nonmuscle-invasive bladder cancer: a meta-analysis

Endpoint

No. of studies

Heterogeneity

OR/MD[95%CI]

I2 %

p

Operation time

17

72

0.49

− 0.56 [− 2.16, 1.04]

Catheterization time

17

95

< 0.00001

− 0.97 [− 1.30, − 0.64]

Hospitalization time

14

95

< 0.00001

− 1.30 [− 1.70, − 0.91]

Obturator nerve reflex

16

43

< 0.00001

0.12 [0.07, 0.19]

Bladder perforation

16

0

< 0.00001

0.17 [0.09, 0.35]

Bladder irritation

5

41

< 0.00001

0.21 [0.14, 0.32]

Postoperative complications

11

0

0.01

0.40 [0.20, 0.82]

Residual tumor on the base

2

0

0.44

0.47 [0.07, 3.27]

Bladder detrusor muscle

4

85

0.16

3.59 [0.60, 21.63]