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Table 1 The frequency of a second PBD in group PG

From: The impact of preoperative biliary drainage on postoperative outcomes in patients with malignant obstructive jaundice: a retrospective analysis of 290 consecutive cases at a single medical center

 

Total

EBS

ENBD

PTBD

Statistic

P value

First PBD

159 (100%)

5 (3.1%)

5 (3.1%)

149 (93.7%)

χ2 = 5.665

0.082*

Second PBD

8 (5.0%)

1 (20.0%)

1 (20.0%)

6 (4.0%)

  1. *Fisher’s exact test in Monte Carlo mode
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World Journal of Surgical Oncology

ISSN: 1477-7819

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