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Antibiotikaprofylax vid kirurgiska ingrepp - SBU

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Table 4.3.3 continued<br />

Author<br />

Year<br />

Reference<br />

Country<br />

May<br />

1980<br />

[26]<br />

USA<br />

Robbs<br />

1988<br />

[27]<br />

South Africa<br />

Ross<br />

1997<br />

[28]<br />

USA<br />

Salzmann<br />

1983<br />

[29]<br />

Germany<br />

Zibari<br />

1997<br />

[30]<br />

USA<br />

Study design<br />

RCT<br />

RCT<br />

RCT<br />

RCT<br />

RCT<br />

Comments<br />

Old study. No control group. Prolonged<br />

treatment (5 days)<br />

Old trial. Faulty randomisation. No power<br />

calculation. Probably underpowered. Indicates<br />

that short term prophylaxis is ok<br />

Underpowered. Flawed internal validity.<br />

No hypothesis or power calculation.<br />

No intention-to-treat analysis<br />

Early trial demonstrating the need for<br />

prophylaxis<br />

All infections in pts with PTFE grafts<br />

ITT = Intention-to-treat; PTFE = Polytetrafluoroethylene; pts = Patients; RCT =<br />

Randomised controlled trial<br />

KAPITEL 4 • den systematiska litteraturöversikten<br />

199

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