Rayanakorn et al reported a score for predicting hearing loss associated with Streptococcus suis infection. Streptoococcussuis shows a high prevalence in Southeast Asia, with sensorineural hearing loss a common complication. The authors are from multiple institutions in Malaysia, China and Thailand.
Patient selection: infection with Streptococcus suis
Parameters:
(1) meningitis
(2) raw pork consumption
(3) vertigo
Parameter
Finding
Points
meningitis
no
0
yes
2
raw pork
no
0
yes
1
vertigo
no
0
yes
1
total score =
= SUM(points for the 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 4
• The higher the score the greater the risk of hearing loss.
Total Score
Risk Group
Hearing Loss
0
1
low
32%
2
moderate
65%
3
high
79%
4
very high
83%
Performance:
• The area under the ROC curve is 0.86.
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