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. 2012 Sep 12;2012(9):CD004418. doi: 10.1002/14651858.CD004418.pub4

Khan 1989.

Methods Randomized
Participants Adults (mean age: 58) 
 Severe bacterial respiratory tract infection (34/122 presumed bacterial, no isolation) 
 CAP + nursing home‐acquired + nosocomial
Interventions Atypical: IV ciprofloxacin 200 mg X 2/d (5 patients received 300 mg X 2/d) 
 Non‐atypical: IV ceftazidime 1 to 2 G X 2/d to 3/d
Outcomes Failure = continuation/worsening of signs and symptoms
Notes Distribution of nosocomial pneumonia versus CAP unclear; good results suggest low rate of nosocomial pneumonia
Risk of bias
Bias Authors' judgement Support for judgement
Random sequence generation (selection bias) Low risk Antibiotics were administered with a computer‐generated, randomized code
Allocation concealment (selection bias) Low risk Antibiotics were administered in a sequential manner
Incomplete outcome data (attrition bias) 
 Mortality High risk 122/140 patients evaluated
Incomplete outcome data (attrition bias) 
 Failure High risk 122/140 patients evaluated
Selective reporting (reporting bias) Low risk Not identified
Other bias Unclear risk Manufacturer/Pharmaceutical company sponsored
Blinding of participants and personnel (performance bias) 
 All outcomes High risk None
Blinding of outcome assessment (detection bias) 
 All outcomes High risk None