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Table 2 Outcomes

From: Improving antibiotic prescribing for adults with community acquired pneumonia: Does a computerised decision support system achieve more than academic detailing alone? – a time series analysis

Outcome Baseline group Academic detailing group Computerised decision support group P value#
  N = 392 N = 215 N = 133  
Patients receiving recommended antibiotic cover for typical and atypical pathogens* 211/341
61.9%
143/208
68.7%
113/126
89.7%
<0.01
Patients requiring ICU who went direct from ED 17/26
65.0%
9/12
75.0%
8/10
80%
0.68
Patients requiring ICU who received appropriate empiric broad spectrum antibiotics# 12/25
48.0%
5/11
45.0%
9/10
90%
<0.01
PSI class V patients who received appropriate empiric broad spectrum antibiotics# 9/70
12.8%
4/43
9.3%
10/38
26.3%
<0.01
PSI class IV&V patients who received appropriate empiric broad spectrum antibiotics # 30/341
8.6%
9/208
4.3%
5/39
12.8%
<0.01
CURB 'severe' patients who received appropriate empiric broad spectrum antibiotics# 14/155
9.0%
7/80
8.7%
20/49
40.8%
<0.01
Patients who received an antibiotic to which they had a known allergy 11/42
26.2%
6/23
26.1%
3/21
14.3%
0.50
Time from ED presentation to administration of antibiotic: median (range) 171 minutes
(15–1969)
158 minutes
(15–1154)
142 minutes
(10–1190)
<0.01
Average cost of antibiotics for pneumonia per patient $72.07 $94.47 $84.04 NA
  1. * = excluding patients suspected of having aspirated and patients who received no antibiotic treatment at all
  2. # p values calculated using chi squared test for categorical variables and analysis of variance for continuous variables
  3. ED: Emergency department, ICU: Intensive care unit, PSI: Pneumonia Severity Index, CURB: modified British Thoracic Society Severity score