Tsujikawa et al reported a model for predicting infection-related mortality in a patient undergoing peritoneal dialysis. This can help to identify a patient who may require more aggressive management. The authors ar from Kyushu University, Fukuoka Dental College, Kokura Memorial Hospital and Nara Medical University.
Patient selection: infection in a patient with peritoneal dialysis
Parameters:
(1) age in years
(2) serum albumin in g/dL
(3) serum creatinine in mg/dL
(4) serum total cholesterol in mg/dL
(5) weekly renal Kt/V
(6) sex
Parameter
Finding
Points
age in years
<= 60 years
0
61 to 70 years
8
>= 71 years
15
serum albumin
>= 3.0 g/dL
0
< 3.0 g/dL
7
serum creatinine
>= 8 mg/dL
0
< 8 mg/dL
2
serum total cholesterol
>= 180 mg/dL
0
< 180 mg/dL
4
renal Kt/V
>= 0.8
0
0.40 to 0.79
1
< 0.40
4
sex
female
0
male
4
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 36
Total Score
2-Year Absolute Risk Infection-Related Mortality
0 to 6
< 1%
7 to 11
1 to 2%
12 to 14
2 to 3%
15 or 16
3 to 4%
17 or 18
4 to 5%
19 or 20
6%
21 or 22
7 to 8%
23 or 24
10%
25 or 26
12 to 14%
27
16%
28
18%
29
21%
30
23%
31
26%
32
29%
33
33%
34
37%
35
41%
36
45%
Performance:
• The area under the ROC curve is 0.79
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