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Table 4 Interventions during one year prior to index (cholecystectomy) stay, no = 43072.

From: Cholecystectomy in Sweden 2000 – 2003: a nationwide study on procedures, patient characteristics, and mortality

Interventions Open cholecystectomy n = 11928 Laparoscopic cholecystectomy n = 31144  
Procedure Patients % Patients % p-values
Sphincterotomy 510* 4.3 782** 2.5 < 0.001
Other open procedures 36 0.3 22 0.1 < 0.001
Other laparoscopic procedures 4 0.0 2 0.0 0.094
Other endoscopic procedures 414 3.5 497 1.6 < 0.001
Percutaneous procedures 15 0.1 3 0.0 < 0.001
  1. * including 20 patients with sphincterotomy more than once
  2. ** including 15 patients with sphincterotomy more than once