Sallinen et al used clinical findings to stage a patient with acute diverticulitis. The stage is associated with the mortality rate. The authors are from the University of Helsinki.
Patient selection: acute diverticulitis
Parameters:
(1) complicated
(2) diameter of abscess in centimeters
(3) distant intraperitoneal and/or retroperitoneal air
(4) generalized peritonitis
(5) organ dysfunction
Complica-tion
Abscess Diameter
Free Air
Peritonitis
Organ Failure
Stage
no
no
no
no
no
1
yes
< 6 cm
no
no
no
2
yes
>= 6 cm
NA
no
no
3
yes
NA
yes
no
no
3
yes
NA
NA
yes
no
4
yes
NA
NA
yes
yes
5
Stage
Mortality
Need for Surgery
1
0%
1%
2
1%
5%
3
3%
46%
4
4%
98%
5
32%
100%
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