Kim et al reported two scores for the diagnosis of severe cholecystitis. One is more comprehensive while the other is described as quick and dirty. The authors are from The Catholic University of Korea.
Outcome: severe cholecystitis
Parameters:
(1) age in years
(2) sex
(3) body mass index (BMI)
(4) white blood cell count per microliter
(5) platelet count
(6) admission route
(7) gallbladder wall thickness in mm on imaging studies
(8) pericholecystic fluid collection on imaging studies
Parameter
Finding
Points
pericholecystic fluid
absent
0
present
18
admission route
elective
0
emergency department
17
white blood cell count
< 10,000 per µL
0
>= 10,000 per µL
9
gallbladder wall thickness
< 4 mm
0
>= 4 mm
7
sex
female
0
male
7
age in years
< 65 years
0
>= 65 years
6
body mass index
< 25
0
>= 25
7
platelet count
> 200,000 per µL
0
<= 200,000 per µL
6
total score =
= SUM(points for all 8 parameters)
Interpretation:
• minimum score: 0
• maximum score: 77
Score
Risk
Percent Severe Cholecystitis
< 28
low
6%
>= 28
high
35%
Performance:
• The area under the ROC curve is 0.83.
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