Table 1.

Parameter Values for Base Case, One-Way and Probabilistic Sensitivity Analyses

Description	Base	Range	Distribution	Source
Probabilities
Empiric antibiotics in yr 0 prior to intervention	75 %	Not varied	Not varied	10
Adjusted odds of antibiotics during intervention
Relative to baseline, yrs 1–5
Usual care (UC)	1.10	0.85–1.43	Uniform	10
Printed decision support (PDS)	0.57	0.40–0.82	Uniform	10
Computerized decision support (CDS)	0.64	0.45–0.91	Uniform	10
Chest x-ray
UC	4.2 %	0 %–10 %	Beta	10
PDS	3.2 %	0 %–10 %	Beta	10
CDS	4.9 %	0 %–10 %	Beta	10
Return to clinic within 30-days
UC	7.6 %	0 %–15 %	Beta	10
PDS	7.1 %	0 %–15 %	Beta	10
CDS	8.3 %	0 %–15 %	Beta	10
Emergency department within 30 days
UC	0.2 %	0–3 %	Beta	10
PDS	1.2 %	0–3 %	Beta	10
CDS	0.0 %	0–3 %	Triangular	10
Hospitalization, within 30 days
UC	1.0 %	0–3 %	Beta	10
PDS	0.3 %	0–3 %	Beta	10
CDS	1.1 %	0–3 %	Beta	10
Durations
Hours of education per physician, PDS and CDS, yr 1	1.0	0.5–1.5	Triangular	10
Days of work loss due to illness and seeking care, no antibiotics	3.0	Not varied	Not varied	4, Estimate
Decrease in days of work loss with antibiotics	0.0	−1.0–1.0	Gamma	4, Estimate
Costs
Physician education per hour, PDS and CDS, yr 1	$120	$80–$160	Gamma	12
Educational brochure per patient, PDS and CDS, yrs 1–5	$0.05	$0.03–$0.30	Gamma	13
Exam room poster per patient, PDS, yr 1	$0.96	$0.48–$5.76	Gamma	13
Medical record programming per patient, CDS, yr 1	$18	$9–$27	Gamma	13
Chest x-ray	$31	$10–$100	Gamma	14
Antibiotics	$30	$5–$100	Gamma	15, Estimate
Work loss per day due to illness and seeking care	$136	$96–$176	Gamma	16
Clinic visit	$107	$57–$157	Gamma	17
Emergency department visit	$680	$280–$1,080	Gamma	18
Hospitalization	$5,424	$4,424–$6,424	Gamma	19