investigating morbidity resulting from a severe weather event

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investigating morbidity resulting from a severe
weather event

• yevgeniy elbert
• howard burkom
• rekha holtry

atar baer jeff duchin
public health seattle king county
johns hopkins university applied physics
laboratory
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279 abstracted
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20 excluded
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another 10 excluded
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chart review
syndromic
n 249
n 16,982
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chart review
syndromic
?
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chart review
syndromic
painstaking
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• dizziness
• nausea
• headache
• vomiting
• loss of consciousness
• shortness of breath
• c.o.-related illness

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co inges co2 co pois co exp carbon monox fuel prop
ane charcoal fume inhal exposure tox bbq gas
inhal kerosene 987.9 e868 e982 e952

• dizziness
• nausea
• headache
• vomiting
• loss of consciousness
• shortness of breath
• c.o.-related illness

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what else did we do?
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basic ems data only city of seattle previous
day limited data
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enhanced ems data all of king county one-month
lag more complete data
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enhanced ems data all of king county one-month
lag more complete data
basic ems data only city of seattle previous
day limited data
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time in the dark
?
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poison
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statistical methods
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case classification
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• temporal analysis

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• temporal analysis
• spatial analysis

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• temporal analysis
• spatial analysis
• spatiotemporal cluster detection

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results
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c.o.-related e.d. visits
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76 exact
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7 likely
76 exact
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7 likely
76 exact
5 possible
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7 likely
76 exact
5 possible
12 unmatched
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c.o. poisoning or exposure (60)
headache (13)
nausea or vomiting(8)
smoke inhalation (8)
dizziness (5)
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?
?
65
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?
?
lt2 yrs
2-4 yrs
5-17 yrs
18-44 yrs
gt65 yrs
45-64 yrs
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6
27
35
5
18
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got diarrhea?
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so what?
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acknowledgementsking county ems michelle
plorde dmitry sharkov wa poison control katie
von derau puget sound energy mark wesolowski