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Table 3 Results of publication bias testing

From: Percutaneous nephrolithotomy versus flexible ureteroscopic lithotripsy in the treatment of upper urinary tract stones: a meta-analysis comparing clinical efficacy and safety

Study project

Included study

Begg testing

Egger testing

95% CI

z

P

t

P

Stone free rate

19

1.19

0.234

1.21

0.244

āˆ’0.750, 2.750

Operative time

14

0.11

0.913

1.51

0.156

āˆ’2.887, 16.001

Decline of Hb

7

1.5

0.133

āˆ’2.13

0.101

āˆ’5.691, 0.756

Blood transfusion

6

0.24

0.806

0.84

0.463

āˆ’1.288, 2.208

Bleeding/hematuria

9

0.73

0.466

1.36

0.216

āˆ’0.934, 2.204

Fever/infection

12

0.89

0.373

āˆ’1.22

0.251

āˆ’2.639, 0.774

Perforation

6

0.38

0.707

āˆ’0.6

0.578

āˆ’8.271, 5.314

Requiring drug analgesia

5

0.24

0.806

0.56

0.615

āˆ’5.318, 7.599

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BMC Urology

ISSN: 1471-2490

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