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Table 3 The most frequent initial antibiotic combinations prescribed (described as percentage of patients)

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

Initial antibiotic combination Percentage of patients
Baseline period  
Penicillin IV + roxithromycin 20.6%
Ceftriaxone 10.2%
Ceftriaxone + roxithromycin 9.2%
Penicillin IV 5.8%
Penicillin IV + doxycycline 5.3%
Ceftriaxone + erythromycin IV 4.3%
Academic detailing period  
Penicillin IV + roxithromycin 27.4%
Ceftriaxone + roxithromycin 16.7%
Amoxycillin (oral)+ roxithromycin 8.3%
Ceftriaxone 6.9%
Roxithromycin 5.1%
Penicillin IV + doxycycline 4.2%
Computerised decision support period  
Penicillin IV + roxithromycin 28.6%
Ceftriaxone + roxithromycin 17.3%
Ceftriaxone + azithromycin 12.8%
Ceftriaxone 6.7%
Penicillin IV + doxycycline 6.0%