Asadollahi et al identified risk factors associated with hospital mortality in a patient who was admitted acutely. The authors are from the Liverpool School of Tropical Medicine.
Parameters:
(1) plasma glucose
(2) serum sodium
(3) white blood cell count
Parameter
Finding
Points
plasma glucose
<= 11 mmol/L
0
> 11 mmol/L
1
serum sodium
>= 125 mmol/L
0
< 125 mmol/L
1
white blood cell count
<= 10 * 10^9/L
0
> 10 * 10^9/L
1
number of risk factors =
= SUM(points for all 3 parameters)
Interpretation:
• minimum number of risk factors: 0
• maximum number of risk factors: 3
Pattern of the Factors
Mortality Rate
glucose + WBC + sodium
4.0%
WBC + sodium
3.9%
glucose + sodium
3.0%
glucose + WBC
2.7%
sodium
2.3%
WBC
2.0%
glucose
1.6%
none
around 1.0%
where:
• The mortality rate when all 3 parameters are normal was not stated. The mortality rates in Figures 1, 2 and 3 are about 1% for when each parameter is normal.
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