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Table 10 Risk of febrile seizures in children 1–2 years old by month of year

From: Snotwatch: an ecological analysis of the relationship between febrile seizures and respiratory virus activity

Month

Risk Ratio

99% CI

P-value

January*

0.65

0.49, 0.86

< 0.0001

February

0.78

0.60, 1.02

0.17

March

0.92

0.71, 1.18

0.38

April (Reference)

1.00

–

–

May*

1.33

1.05, 1.67

0.0018

June*

1.68

1.34, 2.10

< 0.0001

July*

1.80

1.44, 2.24

< 0.0001

August*

1.91

1.54, 2.37

< 0.0001

September*

1.85

1.49, 2.30

< 0.0001

October*

1.37

1.09, 1.73

0.00042

November

1.06

0.83, 1.35

0.54

December

1.16

0.92, 1.48

0.10

  1. Intercept denotes estimated number of febrile seizures in this age group in April. Statistically significant months are denoted with*. The baseline monthly number of febrile seizures for this subgroup was 21.9
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BMC Pediatrics

ISSN: 1471-2431

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