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Table 2 Standardized mortality ratio (SMR) and case fatality rate (CFR, deaths/100) within 90 days of index admission in the four different MABP groups

From: Cholecystectomy and sphincterotomy in patients with mild acute biliary pancreatitis in Sweden 1988 - 2003: a nationwide register study

 

Group 1

Group 2

Group 3

Group 4

All groups

SMR median *

(CI 95%)

1.74

(0.87-3.11)

1.38

(0.73-2.36)

1.45

(1.08-1.90)

1.60

(1.42-1.80)

1.57

(1.42-1.75)

Deaths ** (CFR)

11

(1.32)

12

(1.49)

49

(5.01)

283

(4.87)

355

(4.22)

  1. Group 1 - Cholecystectomy during index stay. Group 2 - No cholecystectomy at index stay but within 30 days of index admission. Group 3 - Sphincterotomy but not cholecystectomy within 30 days of index admission. Group 4 - Neither cholecystectomy nor sphincterotomy within 30 days of index admission.
  2. * SMR: No significant difference between groups.
  3. ** Deaths: Differences between group 1+2 and 3+4, p < 0.001.
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BMC Gastroenterology

ISSN: 1471-230X

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