Table 3: Fournier gangrene severity index. |
|||||||||
Variable |
High abnormal values |
Normal |
Low abnormal values |
||||||
Score |
+4 |
+3 |
+2 |
+1 |
0 |
+1 |
+2 |
+3 |
+4 |
Temperature (oC) |
> 41 |
39-40.9 |
- |
38.5-39 |
36-38.4 |
34-35.9 |
32-33.9 |
30-31.9 |
< 29 |
Heart rate |
> 180 |
140-179 |
110-139 |
- |
70-109 |
- |
55-69 |
40-54 |
< 39 |
Respiratory frequency |
> 50 |
35-49 |
- |
25-34 |
12-24 |
10-11 |
6-9 |
- |
< 5 |
Serum sodium (mmol/l) |
> 180 |
160-170 |
266-159 |
350-354 |
130-149 |
- |
120-129 |
111-119 |
< 110 |
Serum potassium (mmol/l) |
> 7 |
6-6.9 |
- |
5.5-5.9 |
3.5-5.4 |
3-3.4 |
2.5-2.9 |
- |
< 3.5 |
Serum creatinine (mg/100/ml × 2 for acute renal failure) |
> 3.5 |
2-3.4 |
1.5-1.9 |
- |
0.6-1.4 |
- |
< 0.6 |
- |
- |
Hematocrit |
> 60 |
- |
50-59.9 |
46-49.9 |
30-45.9 |
- |
20-29.9 |
- |
< 20 |
Leukocytes (total/mm3 × 1,000) |
> 40 |
- |
20-39.9 |
15-19.9 |
3-14.9 |
- |
1-2.9 |
- |
< 1 |
Serum bicarbonate (venous, mmol/l) |
> 53 |
41-51.9 |
- |
32-40.9 |
22-31.9 |
- |
18-21.9 |
15-17.9 |
< 15 |
Source: Laor E et al.27 |