Bolkenstein et al developed a prediction model to identify patients with complicated diverticulitis. This can help to identify a patient who may benefit from more aggressive management. The authors are from
Patient selection: diverticulitis
Outcome: complicated diverticulitis (Hinchey Ib, II, III, IV)
Parameters:
(1) abdominal guarding
(2) C-reactive protein (CRP) in mg/L
(3) WBC count in 10^9/L
Parameter
Finding
Points
abdominal guarding
absent
0
present
4
CRP
0-100 mg/L
0
101-150 mg/L
3
151-200 mg/L
4
201-250 mg/L
5
> 250 mg/L
7
WBC count
<= 15 * 10^9/L
0
15.1 to 20 * 10^9/L
1
> 20 * 10^9/L
2
total score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 13
• The higher the score the greater the risk of having complicated diverticulitis.
Score
Complicated Diverticulitis
0
4.2%
1
6.8%
2
10.7%
3
16.6%
4
24.7%
5
35%
6
47.1%
7
59.5%
8
70.7%
9
79.9%
10
86.8%
11
91.6%
12
94.7%
13
96.7%
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