The Cancer of the Bladder Risk Assessment (COBRA) Score can be used to evaluate a patient after radical cystectomy. The authors are from the University of California San Francisco and the University of Washington in Seattle.
Patient selection: status post radical cystectomy
Parameters:
(1) age of the patient in years
(2) tumor T status
(3) lymph node density (ratio of positive to total lymph nodes)
Parameter
Finding
Points
age
< 80 years
0
>= 80 years
1
tumor T stage
Tis or T1
0
T2
1
T3 or T4
3
lymph node density
0
0
0.01 to 0.33
1
0.34 to 0.50
2
> 0.50
3
total score =
= SUM(points for the 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 7
Total Score
HR Cancer-Specific Death
0
1
1
1.6
2
3.5
3
4.2
4
7
5
11
6
17
7
31
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