|
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
|
- 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
