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Table 1 Risk of ed. febrile seizure presentations 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*

0.72

0.57, 0.91

0.0002

February

0.86

0.69, 1.07

0.08

March

0.94

0.76, 1.16

0.46

April (Reference)

1.00

–

–

May*

1.37

1.12, 1.66

< 0.0001

June*

1.76

1.46, 2.12

< 0.0001

July*

1.82

1.51, 2.19

< 0.0001

August*

2.03

1.70, 2.44

< 0.0001

September*

1.95

1.62, 2.34

< 0.0001

October*

1.38

1.14, 1.68

< 0.0001

November

1.15

0.94, 1.41

0.071

December

1.13

0.92, 1.39

0.12

  1. This table shows the relative risk of febrile seizure presentations compared with April. At baseline, the Poisson model estimates 29.9 febrile seizure presentations in April, which was our reference month. Months with statistically significant risk ratios are denoted with*