Moore et al developed a simple score for predicting an uncomplicated ureteral stone. The authors are from Yale University, Wellington Hospital (New Zealand), and the University of California San Franscisco.
Patient exclusion: lack of flank pain, lack of back pain, history of trauma, infection, active malignancy, renal disease, previous urologic procedure
Parameters:
(1) gender
(2) duration of pain prior to presentation
(3) race
(4) nausea and vomiting
(5) hematuria on urine dipstick
|
Parameter |
Finding |
Points |
|
gender |
female |
0 |
|
|
male |
2 |
|
duration of pain |
< 6 hours |
3 |
|
|
6 to 24 hours |
1 |
|
|
> 24 hours |
0 |
|
race |
Black |
0 |
|
|
other |
3 |
|
nausea and vomiting |
none |
0 |
|
|
nausea only |
1 |
|
|
vomiting |
2 |
|
hematuria |
absent |
0 |
|
|
present |
3 |
where:
• In Table 3 vomiting is listed as vomiting alone. However, there is no inclusion for nausea and vomiting. In Table 2 the factors listed are nausea alone and nausea with vomiting.
total score =
= SUM(points for all 5 parameters)
Interpretation:
• minimum score: 0
• maximum score: 13
• The higher the score the greater the risk of a ureteral stone.
|
Score |
Risk |
Percent |
|
0 to 5 |
low |
9% |
|
6 to 9 |
moderate |
52% |
|
10 to 13 |
high |
90% |
Specialty: Nephrology, Clinical Laboratory
ICD-10: ,
