NCEMI eTools

Strep pharyngitis probability score
Probability of positive results on culture of tonsillar exudate for Strep pyogenes for adults
Score: 0
0.64% probability
Assessment
00.64% probability
11.71% probability
24.53% probability
311.42% probability
425.95% probability
101.34% probability
113.55% probability
129.1% probability
1321.39% probability
1442.52% probability
202.96% probability
217.65% probability
2218.38% probability
2337.97% probability
2462.47% probability
 
Tonsillar exudate?
Yes 1 points
No 0 points
 
Swollen or tender anterior cervical lymph nodes?
Yes 1 points
No 0 points
 
Fever?
Yes 1 points
No 0 points
 
Absence of cough (except in smokers)?
Yes 1 points
No 0 points
 
Prevalence of group A strep pharyngitis in patient's community
5% 0 points
10% 10 points
20% 20 points
Calculate

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