Fichas

EBM

Katie Reynolds Inglés 5 fichas

Fichas del conjunto (5)

1RCT: Selection BiasSystematic differences between baseline characteristics of the groups that are compared
To reduce this:
- Random sequence generator
- Allocation Concealment
2RCT: Performance BiasSystematic differences between groups in the care that is provided, or in exposure to factors other than the interventions of interest
To reduce this:
- Blinding of participants and personnel
3RCT: Detection BiasSystematic differences between groups in how outcomes are determined
To reduce this:
- Blinding of outcome assessment (standardised test)
4RCT: Attrition biasSystematic differences between groups in withdrawals from a study
Seen with incomplete outcome data
5RCT: Reporting biasSystematic differences between reported and unreported findings
Seen by: selective outcome reporting - some outcomes have been measured but results not given