Wu et al reported a simple model for predicting in-hospital mortality for an HIV/AIDS patient with pneumocystis pneumonia. The authors are from Capital Medical University in Beijing.
Patient selection: pneumocystis pneumonia in an HIV/AIDS patient
Parameters:
(1) CD4 count in cells per microliter
(2) hemoglobin in g/L
(3) serum LDH in IU/L
(4) heart rate in beats per minute
(5) arterial PaO2 in mm Hg
(6) delayed admission to ICU (interval hospital admission to ICU > 24 hours)
(7) pneumothorax
Parameter
Finding
Points
CD4 count
> 50 per µL
0
<= 50 per µL
2
hemoglobin
> 90 g/L
0
<= 90 g/L
2
serum LDH
< 350 IU/L
0
>= 350 IU/L
2
heart rate
< 130 beats per minute
0
>= 130 beats per minute
2
arterial PaO2
> 70 mm Hg
0
<= 70 mm Hg
7
delayed admission to ICU
no
0
yes
6
pneumothorax
no
0
yes
2
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 23
Total Score
In-Hospital Mortality
0 to 6
2.2%
7 to 11
13%
12 to 15
39%
16 to 23
82%
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