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Table 6 Postoperative outcomes in proximal- and distal-obstruction groups

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 DG PG Statistic P value
Proximal obstruction (number of patients) 172 82 90 χ2 = 4.295 0.038
Complication(s) (number of patients) 134 70 64
Distal obstruction 118 49 69 χ2 = 1.329 0.249
Complication(s) 60 28 32