Odds ratio 95% CI p
Sex, male 1.3 0.70-2.3 0.43
Age >= 65 1.7 0.60-4.7 0.33
Comorbidities 0.82 0.38-1.7 0.59
RIDT positive 26.8 13.5-53.5 <0.001***
Cough 0.85 0.43-1.7 0.63
Fever 1.2 0.66-2.1 0.56
Contact with influenza patient 1.4 0.77-2.7 0.26
High Influenza activity 2.6 1.4-5.1 0.004***
Time from symptom onset
12hours~48 hours 1 (Reference) 1 (Reference)
< 12 hours 2.2 1.0-4.7 0.042**
>= 48 hours 0.86 0.35-2.1 0.75
ER Physician
PGY 1-2 resident 1 (Reference) 1 (Reference)
PGY 3-5 resident 3.9 1.8-8.3 <0.001***
PGY 6 or greater 5.3 2.0-14.4 0.001***