RNAO BPG Pressure Ulcers Stage I to IV - Faculty of Health ...
RNAO BPG Pressure Ulcers Stage I to IV - Faculty of Health ...
RNAO BPG Pressure Ulcers Stage I to IV - Faculty of Health ...
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Nursing Best Practice GuidelineInterpretation <strong>of</strong> EvidenceLevels <strong>of</strong> EvidenceIaIbEvidence obtained from meta-analysis or systematic review <strong>of</strong> randomized controlled trials.Evidence obtained from at least one randomized controlled trial.IIa Evidence obtained from at least one well-designed controlled study without randomization.IIb Evidence obtained from at least one other type <strong>of</strong> well-designed quasi-experimental studywithout randomization.III<strong>IV</strong>Evidence obtained from well-designed non-experimental descriptive studies, such ascomparative studies, correlation studies and case studies.Evidence obtained from expert committee reports or opinions and/or clinical experiences<strong>of</strong> respected authorities.17
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