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Table 4 RisK of mild febrile seizures 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 0.56, 0.93 0.001
February 0.80 0.63, 1.03 0.023
March 0.89 0.70, 1.13 0.21
April (Reference) 1.00
May* 1.33 1.07, 1.65 0.0008
June* 1.67 1.36, 2.06 < 0.0001
July* 1.76 1.44, 2.17 < 0.0001
August* 1.92 1.57, 2.35 < 0.0001
September* 1.85 1.51, 2.26 < 0.0001
October* 1.27 1.02, 1.58 0.0053
November 1.09 0.86, 1.36 0.35
December 1.05 0.83, 1.32 0.59
  1. Intercept denotes estimated number of mild febrile seizures in April. Statistically significant months are denoted with *. The baseline monthly number of febrile seizures for this subgroup was 24.4